STG U9 Spare Parts

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sku: MN-Shroud-Steel 12

STG Universal Barrel Shroud - Steel - Long Pattern

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sku: BT15RAIL-Kit

Rail and Hardware Kit for STG Universal 7.5" Barrel Shroud

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Now: $25.00

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sku: MN-Shroud-Steel 7.5

STG Universal Barrel Shroud - Steel 7.5"

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sku: 7692-H

STG Universal Charging Handle - Hook Pattern

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Now: $23.50

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sku: U-SL-Trun

Stemple Trunion Assembly - Slide Lock Pattern

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Now: $390.00

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sku: 7692-R

STG Universal Charging Handle - Round Pattern

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Now: $23.50

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sku: Red of STG-2018 Tshirt

BRP STG T Shirt by Nine Line - Red

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Now: $25.00

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sku: U-SL-Trun-TrunBody

Slide Lock Trunion: Trunion Body with Ejector

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Now: $250.00

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sku: U-SL-Trun-LPiece

Slide Lock Trunion: Locking Piece

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Now: $120.00

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sku: ITPTrun

Internally Threaded Pattern (ITP) Trunion Assembly

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Now: $395.00

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sku: U-SL-Trun-LPin-IPT

Internally Threaded Pattern (ITP) and Slide Lock Trunion: Locking Pin

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Now: $15.00

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sku: U-SL-Trun-Spacer

Slide Lock Trunion: Spacer - Stainless Steel

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Now: $5.00

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sku: U-lower-2021

U Lower Assembly - Nib Plated

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Now: $550.00

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sku: 7645TDP-2021

STG Universal Rear Takedown Pin for Lowers with AR Push Pin

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Now: $28.00

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sku: 7645TDP-2021-SHIM

STG Universal Rear Takedown Pin SHIM for Lowers with AR Push Pin

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Now: $1.00

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sku: 7645TDP-SB-2021

Rear Takedown Pin Support Block for Lowers with AR Push Pin

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Now: $45.00

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sku: U931

STG Universal 9mm Bolt for standard rate ( with NiB One™ plating)

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Now: $360.00

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sku: ITP-RTP

Rear Takedown Pin - ITP

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Now: $35.00

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sku: LT- stockassy--ITP

Folding Universal Slow Fire Stock and Buffer Assembly for ITP Setups

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Now: $540.00

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sku: stockassy-ITP

Universal Slow Fire Stock and Buffer Assembly for ITP Setups

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Now: $360.00

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sku: U9sfstock-ITP

U9 Folding Stock and Buffer Assembly - for ITP Setups

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sku: 437-C-aluminum-ITP-SLP

ALUMINUM Bolt Extension for ITP Setups - Shoulderless Pattern

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Now: $60.00

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sku: 437-C-Steel-ITP-SLP

STEEL Bolt Extension for ITP Setups - Shoulderless Pattern

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Now: $60.00

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sku: ITP-BufferBody

Buffer Body for ITP Setups

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Now: $55.00

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sku: 437-C-Steel-ITP

STEEL Bolt Extension for ITP Setups

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Now: $60.00

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sku: DM-Pica-Trip

Double Picatinny Tripod Adapter

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Now: $550.00

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sku: 437-C-LT-aluminum-ITP

ALUMINUM Bolt Extension with Law Tactical Adapter for ITP Setups

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Now: $85.00

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sku: 437-C-aluminum-ITP

ALUMINUM Bolt Extension for ITP Setups

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Now: $60.00

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sku: 437-C-aluminum

Adjustable Bolt System - ALUMINUM Bolt Extension for CAR

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Was: $60.00

Now: $47.50

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sku: 437-C-steel

Adjustable Bolt System - Heavy STEEL Bolt Extension for Lower Rates

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Was: $50.00

Now: $47.50

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sku: LT-ext-adpt

Extension Adapter for Law Tactical Folding Stock Sets

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Now: $25.00

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sku: stg-kp-spacer-.4

KP31 Barrel Spacer For Use on Stemple STG Setups

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Now: $12.75

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sku: U9EJ-3pin

Ejector U9 - 3 Pin

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Now: $14.00

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sku: U9-MH-Steel

STG U Magazine Housing (complete) Steel

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Now: $405.00

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sku: u9bbl-8.3

U9 8.3" Barrel

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Now: $150.00

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sku: MN-Shroud-NiB-BW

STG Universal Barrel Shroud with Extra Rail (NiB Battleworn® Plated)

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Now: $275.00

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sku: MG08Stemp7645-SGsetup

BRP MG08 Pattern Stemple STG Spade Grip Kit for STG U9SF, U45, & U7.62

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Now: $495.00

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sku: 3110-shroudshim.01

KP31 Shroud Shim - .01" thick

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Now: $4.85

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sku: U-extractor-S7

S7 - STG Universal Extractor with Spring and Pin

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Now: $35.00

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sku: u9bbl.5-28-8.64

U9 8.64" barrel threaded 1/2"-28

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Now: $135.00

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sku: U-lower-blk

U Lower Assembly - Black

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Now: $490.00

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sku: MN-Shroud-NiB

STG Universal Barrel Shroud with Extra Rail (NiB Plated)

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Now: $265.00

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sku: U9-MH-NIB

STG U Magazine Housing (complete) Aluminum NiB Plated

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Now: $375.00

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sku: U-H-Buffer

Hydraulic Buffer for Universal Adjustable Bolt System

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Now: $105.00

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sku: 500-1-EXT

1/2" - 28 thread extension 1" long

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Now: $21.00

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sku: 578 T-EXT

578" - 28 thread extension

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Now: $25.00

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sku: STG-sticker

STG Vinyl Stickers 2" x 2"

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Now: $0.10

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sku: u945manaul

U9SF & U45 Manual - (hard copy 36 pages: 2010-2020 pattern)

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Now: $8.50

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sku: 3110-shshim-.002

KP31 Shroud Shim - .002" thick

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Now: $4.85

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sku: U45EJ

Ejector U45, U9SF, U7.62

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Now: $14.00

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sku: MN-Shroud-BA

STG Universal Barrel Shroud with Extra Rail (Black Anodized)

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Now: $250.00

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sku: u9bbl.5-28

U9 10.35" barrel threaded 1/2"-28

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Now: $150.00

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sku: MN-Shroud-Steel 12

STG Universal Barrel Shroud - Steel - Long Pattern

STG Universal barrel shroud for 4 lug trunions. Loosely patterned after the Danish short-barreled Suomi setup. Includes: Shroud Assembly Only. Rails, barrel, and swivel are NOT included. Fits STG 12.75" and 16"...

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Now: $275.00
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sku: BT15RAIL-Kit

Rail and Hardware Kit for STG Universal 7.5" Barrel Shroud

Atlas BT15 Rail Kit for BRP STG Steel Shroud This is the rail setup that fits the threaded holes in the BRP STG Steel Shroud. This shroud is capable of mounting 4 rails at 90º increments. Kit Includes: 1 x BT15 Rail 1 x...

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Now: $25.00
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sku: MN-Shroud-Steel 7.5

STG Universal Barrel Shroud - Steel 7.5"

STG Universal barrel shroud for 4 lug trunions. Loosely patterned after the Swedish M37 short-barreled Suomi setup. Fits all STG barrels greater than 8" long Material: Steel Finish: Black Oxide or Parkerized (grey) - Please Specify OAL: 7...

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Now: $275.00
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sku: 7692-H

STG Universal Charging Handle - Hook Pattern

STG Hook Pattern Charging Handle for: STG Universal STG 76 STG 76W STG 34k STG 43 Stemple Suomi

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Now: $23.50
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sku: U-SL-Trun

Stemple Trunion Assembly - Slide Lock Pattern

Standard replacement Trunion Assembly for Stemple STG Standard Bolt Setups without pin mounts: Includes trunion, ejector, locking piece, locking pin, and spacer. Compatible with U9, 76, Stemple Suomi & 34k Stemple 76/45 setups without trunion mount...

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Now: $390.00
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sku: 7692-R

STG Universal Charging Handle - Round Pattern

STG Round Pattern Charging Handle for: STG Universal STG 76 STG 76W STG 34k STG 43 Stemple Suomi

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Now: $23.50
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sku: Red of STG-2018 Tshirt

BRP STG T Shirt by Nine Line - Red

BRP STG T-Shirt by Nine Line Red Shirt With White Artwork

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Now: $25.00
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sku: U-SL-Trun-TrunBody

Slide Lock Trunion: Trunion Body with Ejector

Trunion Body with Ejector for Slide Lock Trunion Assembly Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

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Now: $250.00
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sku: U-SL-Trun-LPiece

Slide Lock Trunion: Locking Piece

Locking Piece for Slide Lock Trunion Assembly Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

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Now: $120.00
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sku: ITPTrun

Internally Threaded Pattern (ITP) Trunion Assembly

Threaded Trunion Assembly for Internally Treaded Patter (ITP) setups This is the Trunion for Stemple STG ITP setups: U9, U9SF, U45, Stemple Suomi. Includes: Threaded Trunion Trunion Locking Pin Ejector Standard Pattern

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Now: $395.00
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sku: U-SL-Trun-LPin-IPT

Internally Threaded Pattern (ITP) and Slide Lock Trunion: Locking Pin

Trunion Locking Pin for Slide Lock Trunion Assembly and Internally Treaded Patter (ITP) setups Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

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Now: $15.00
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sku: U-SL-Trun-Spacer

Slide Lock Trunion: Spacer - Stainless Steel

Spacer (.030) for Slide Lock Trunion Assembly Stainless Steel Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

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Now: $5.00
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sku: U-lower-2021

U Lower Assembly - Nib Plated

Standard U Lower Assembly for use with all U9, U9SF and U45. The select-fire trigger pack is installed and timed for use with Standard Universal setups. Also Includes: Rear Takedown Pin Rear Takedown Pin Support Block AR Takedown Push...

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Now: $550.00
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sku: 7645TDP-2021

STG Universal Rear Takedown Pin for Lowers with AR Push Pin

STG Universal Rear Takedown Pin for Lowers with AR Push Pin for post-2020 Universal Fire Control Groups The Rear Takedown Pin secures the Receiver Assembly to the Lower Housing Assembly via an AR Takedown Push Pin. A 6-32 set screw retains...

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Now: $28.00
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sku: 7645TDP-2021-SHIM

STG Universal Rear Takedown Pin SHIM for Lowers with AR Push Pin

.001 thick Shim for tightening the fit of the STG Universal Rear Takedown Pin to Universal Fire Control Groups with AR Push Pins for post-2020

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Now: $1.00
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sku: 7645TDP-SB-2021

Rear Takedown Pin Support Block for Lowers with AR Push Pin

STG Universal Rear Takedown Pin Support Block for Lowers with AR Push Pin in post-2020 Universal Fire Control Groups The Rear Takedown Pin Support Block and Pin is reversible to accommodate for both types of Stemple 76/45 Receiver rear hole...

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Now: $45.00
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sku: U931

STG Universal 9mm Bolt for standard rate ( with NiB One™ plating)

Original STG Universal 9mm Bolt with Extractor for STG Universal (STG-U) (standard-rate system / full round) For use with: All U9s U9SF - ITP setups NiB One™ plating This is an electroless NIB nickel-boron plating system that is...

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Now: $360.00
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sku: ITP-RTP

Rear Takedown Pin - ITP

Rear Takedown Pin Compatible with Stemple ITP Pattern U9, U9SF, and U45

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Now: $35.00
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sku: LT- stockassy--ITP

Folding Universal Slow Fire Stock and Buffer Assembly for ITP Setups

Law Tactical Folding Stock and Buffer Assembly Compatible Stemple 76/45 Internally Threaded Pattern (ITP) Receivers. This setup is also used for the adjustable bolt system. Includes: Buffer Body (ITP spec) with Law Tactical Folding...

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Now: $540.00
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sku: stockassy-ITP

Universal Slow Fire Stock and Buffer Assembly for ITP Setups

Standard Replacement Stock and Buffer Assembly for Stemple 76/45 Internally Threaded Pattern (ITP) Receivers. This setup is also used for the adjustable bolt system. Includes: Buffer Body (ITP spec) BRP...

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Now: $360.00
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sku: U9sfstock-ITP

U9 Folding Stock and Buffer Assembly - for ITP Setups

Standard Replacement Stock and Buffer Assembly U9 for Stemple 76/45 Internally Threaded Pattern (ITP) Receivers. This setup is also used for the fast-firing (RF-0) 9mm setup in the adjustable bolt system. Contact us with your serial number to determine...

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sku: 437-C-aluminum-ITP-SLP

ALUMINUM Bolt Extension for ITP Setups - Shoulderless Pattern

Shoulderless ALUMINUM - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 •• With the rear shoulders removed from the extensions, the buffer tube does not need to be removed to change...

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Now: $60.00
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sku: 437-C-Steel-ITP-SLP

STEEL Bolt Extension for ITP Setups - Shoulderless Pattern

Shoulderless STEEL - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 •• With the rear shoulders removed from the extensions, the buffer tube does not need to be removed to change...

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Now: $60.00
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sku: ITP-BufferBody

Buffer Body for ITP Setups

Includes: Stripped Steel Buffer Body for ITP Setups and Sealing Ring * Parkerized Finish The rear threads are setup for standard AR and AR Carbine pattern buffer tubes. The Sealing Ring can be added to the the groove to make a...

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Now: $55.00
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sku: 437-C-Steel-ITP

STEEL Bolt Extension for ITP Setups

STEEL - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 This is the heavier extension for lower rates. This is typically used with the 45 and 7.62 setups. It can also be used with the 9mm setup...

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Now: $60.00
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sku: DM-Pica-Trip

Double Picatinny Tripod Adapter

This machined steel mount adapter is designed to attached two firearms with Picatinny rails to MG3 AA mounts, M240 pintles, M60 gooseneck pintles, and Browning pintles with .557" diameter pins. Set Includes: Steel Front Arm Assembly with...

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Now: $550.00
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sku: 437-C-LT-aluminum-ITP

ALUMINUM Bolt Extension with Law Tactical Adapter for ITP Setups

ALUMINUM - CAR Length Bolt Extension with Law Tactical Adapter for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762. The Law Tactical folding stock adapters add approximately 1.3" to the overall length of the bolt stroke...

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Now: $85.00
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sku: 437-C-aluminum-ITP

ALUMINUM Bolt Extension for ITP Setups

ALUMINUM - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 Reference Chart

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Now: $60.00
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sku: 437-C-aluminum

Adjustable Bolt System - ALUMINUM Bolt Extension for CAR

ALUMINUM - CAR Length Bolt Extension for STG Universal Heavy Bolt System U9SF, U45, & U762 This lighter bolt extension is typically necessary for proper function with weak 9mm ammo running in the Heavy Bolt System Reference Chart...

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Was: $60.00

Now: $47.50
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sku: 437-C-steel

Adjustable Bolt System - Heavy STEEL Bolt Extension for Lower Rates

Steel - CAR Length Bolt Extension for STG Universal Heavy Bolt System U9SF, U45, & U762 This is the heavier extension for lower rates. This is typically used with the 45 and 7.62 setup. It can also be used with the 9mm setup but only with...

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Was: $50.00

Now: $47.50
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sku: LT-ext-adpt

Extension Adapter for Law Tactical Folding Stock Sets

The Law Tactical folding stock adapters add approximately 1.3" to the overall length of the bolt stroke. This part screws into the rear of the Universal bolt extensions for use with Law Tactical folding stock sets.

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Now: $25.00
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sku: stg-kp-spacer-.4

KP31 Barrel Spacer For Use on Stemple STG Setups

Given the difference between the Receiver and Trunion of an original KP31 and the Stemple 76/45, a Barrel Spacer that is approximately .4” long is necessary to use original KP31 Barrel Shrouds with the Stemple STG setups. Additional Barrel Shims...

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Now: $12.75
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sku: U9EJ-3pin

Ejector U9 - 3 Pin

Standard replacement ejector compatible with Stemple STG ITP pattern trunions: Used with the STG U9SF Setup. Includes ejector blade and retaining pins. A faster bolt speed is necessary to ensure proper ejection with 9mm ammo with the standard U45...

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Now: $14.00
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sku: U9-MH-Steel

STG U Magazine Housing (complete) Steel

Standard replacement magazine housing for 2011 and later pattern Universal setups - (U9 and U9SF STG platforms) This is a complete magazine housing for 1.375" OD Stemple 76/45 Receiver to allow use with Finnish and Swedish pattern 9mm drums and...

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Now: $405.00
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sku: u9bbl-8.3

U9 8.3" Barrel

9mm 8.3" long barrel 41V50 Steel / Parkerized Finish Polished chamber and feed ramp 1:10 twist Loosely patterned after the Swedish M37 short-barreled Suomi setup and Carl Gustaf M45/Swedish K For use with 7.5" Steel...

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Now: $150.00
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sku: MN-Shroud-NiB-BW

STG Universal Barrel Shroud with Extra Rail (NiB Battleworn® Plated)

STG Universal quad rail barrel shroud for 10", 10.35" and 16" barrels: The bottom rail in machined into the shroud. 1 accessory is included. Accessory rails can be attached to the top, left and right of the shroud. Extra...

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Now: $275.00
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sku: MG08Stemp7645-SGsetup

BRP MG08 Pattern Stemple STG Spade Grip Kit for STG U9SF, U45, & U7.62

Spade grip adapter setup for Stemple machine guns with heavy bolt systems with CAR pattern stocks. Includes: Rear Grip Assembly with Machined Steel Frame and MG08-Type Grips Trigger Puller Assembly Trigger Connecting Rod Grip Options:...

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Now: $495.00
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sku: 3110-shroudshim.01

KP31 Shroud Shim - .01" thick

Copied from original parts and made from stainless steel. Thickness .01" This part tightens the barrel jacket to receiver fit by 'shimming' the rear of the barrel shroud to receiver/trunion. This is a very useful part for...

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Now: $4.85
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sku: U-extractor-S7

S7 - STG Universal Extractor with Spring and Pin

Newly manufactured extractor for all Universal configurations: U9, 34k, Stemple-Suomi, STG 76, U9SF, U45, U762, and post-2020 STG 1928s Includes extra power Wolfe spring and mounting pin. Unlike the AR pattern extractors this has a more...

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Now: $35.00
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sku: u9bbl.5-28-8.64

U9 8.64" barrel threaded 1/2"-28

9mm 8.64" long barrel Stainless Steel Threaded .1/2"-28 on end Polished chamber and feed ramp 1:10 twist For use on 2010 pattern shroud (see reference pic) and 7.5" Steel Shrouds

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Now: $135.00
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sku: U-lower-blk

U Lower Assembly - Black

Standard U Lower Assembly for use with U9, U9SF and U45 Black anodized finish

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Now: $490.00
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sku: MN-Shroud-NiB

STG Universal Barrel Shroud with Extra Rail (NiB Plated)

STG Universal quad rail barrel shroud for 10", 10.35" and 16" barrels: The bottom rail in machined into the shroud. 1 accessory is included. Accessory rails can be attached to the top, left and right of the shroud. Extra...

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Now: $265.00
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sku: U9-MH-NIB

STG U Magazine Housing (complete) Aluminum NiB Plated

Standard replacement magazine housing for 2011 and later pattern Universal setups - (U9 and U9SF STG platforms) This is a complete magazine housing for 1.375" OD Stemple 76/45 Receiver to allow use with Finnish and Swedish pattern 9mm drums and...

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Now: $375.00
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sku: U-H-Buffer

Hydraulic Buffer for Universal Adjustable Bolt System

Hydraulic Buffer for adjustable bolt system STG setups.

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Now: $105.00
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sku: 500-1-EXT

1/2" - 28 thread extension 1" long

Steel Thread Extension for 1/2" - 28 Threaded U9, U7.62 & 34k barrel Features wrench flats for easy removal. (9/16" wrench) OAL: 1.4" Extends threads by 1"

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Now: $21.00
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sku: 578 T-EXT

578" - 28 thread extension

Stainless Steel Thread Extension for 578" - 28 Threaded U9 and U45 Barrels. Features wrench flats for easy removal. (3/4 wrench) OAL: 1.2" Extends threads by .7"

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Now: $25.00
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sku: STG-sticker

STG Vinyl Stickers 2" x 2"

2" x 2" vinyl sticker

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Now: $0.10
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sku: u945manaul

U9SF & U45 Manual - (hard copy 36 pages: 2010-2020 pattern)

Stemple 76/45 - Stemple Takedown Gun U45/U9SF manual hard copy - 36 pages

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Now: $8.50
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sku: 3110-shshim-.002

KP31 Shroud Shim - .002" thick

Copied from original parts and made from stainless steel. Thickness .002" This part tightens the barrel jacket to receiver fit by 'shimming' the rear of the barrel shroud to receiver/trunion. This is a very useful part for...

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Now: $4.85
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sku: U45EJ

Ejector U45, U9SF, U7.62

Standard replacement ejector for Stemple STG pattern trunions: STG U45, U9SF, U7.62 Includes ejector blade and retaining pins.

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Now: $14.00
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sku: MN-Shroud-BA

STG Universal Barrel Shroud with Extra Rail (Black Anodized)

STG Universal quad rail barrel shroud for 10", 10.35" and 16" barrels: The bottom rail in machined into the shroud. 1 accessory is included. Accessory rails can be attached to the top, left and right of the shroud. Extra...

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Now: $250.00
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sku: u9bbl.5-28

U9 10.35" barrel threaded 1/2"-28

9mm 1:10 twist Threaded 1/2"-28 10.35" long barrel 41V50 Steel / Parkerized Finish Polished chamber and feed ramp Compatible with all shroud setups except for the long KP31 pattern shrouds Ideal for use with direct thread...

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Now: $150.00
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STG U9 Spare Parts