STG 76 Parts and Accessories

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"...

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...

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...

STG Universal Charging Handle - Hook Pattern

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

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...

STG Universal Charging Handle - Round Pattern

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

BRP STG T Shirt by Nine Line - Red

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

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

Slide Lock Trunion: Locking Piece

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

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

STG Universal 9mm Bolt for standard rate and ITP standard and slow fire setups ( with NiB One™ plating)

Original STG Universal 9mm Bolt with Extractor for STG Universal (STG-U) Compatible with U9 standard-rate setups and both ITP standard and slow fire setups. For use with: All U9s U9 & U9SF - ITP setups   NiB One™ plating This is...

Spare Bottom Foam for STG Universal Case

STG Universal Case Bottom Foam Adhesive backing can be used if desired by peeling the white cover. Cutouts for: M3 45acp mags x 2 kp31 drums x 2 kp31 mags x 2 universal mag housing - any type spare bolt bolt extension 10" barrel  without...

9mm SMG Chamber and Headspace Gauge

9mm SMG Chamber Wear and Headspace Gauge To ensure the safe operation of 9mm Fixed-Firing-Pin (FFP) Blow-Back (BB) Submachine Guns (SMGs), chamber wear and headspace should be verified.   Since SMGs don't typically show a lot of bore wear...

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...

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...

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...

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...

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...

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 Wolff spring and mounting pin.   Unlike the AR pattern extractors this has a more...

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

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...

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...

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"

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"

STG Vinyl Stickers 2" x 2"

2" x 2" vinyl sticker

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...

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...

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...

Suomi 36 rd stick magazine

36rd original Finnish Suomi drum. Works with M31/KP31, KP44, M37/39, M45. (not for sale where prohibited) Excellent condition       MAGAZINE SHIPPING RESTRICTIONS   California Restrictions: 10 rounds, unless you can...

KP31 Barrel Shim - .001 thick

Copied from original parts and made from stainless steel.   Thickness .001"    These are the most thin we could make.  They are excellent for fine tuning your barrel to trunion to shroud fit.   This part tightens the barrel...

1/2" - 28 thread protector

Stainless Steel Thread Protector & Flash Hider for 1/2" - 28 Threaded for U9 and U7.62 10" and 16" barrels   Features wrench flats for easy removal.

Picatinny Rail for Shroud

Picatinny Rail for MN shroud and Suomi Shrouds that have been drill and tapped by BRP   3x Mount Screws included

U9 10.35" barrel threaded .578"-28

9mm  10.35" long barrel  Stainless Steel Threaded .578"-28 on end

Universal Front Takedown Pin

Standard HK Small Pin used as front takedown pin for the U9, U9SF, U45, U7.62, STG76 and Stemple Suomi

STG-Barrel Locknut

Barrel Lock Nut

578" - 28 thread protector

Stainless Steel Thread Protector & Flash Hider for 578" - 28 Threaded U9 and U45 Barrels.    Features wrench flats for easy removal.

KP31 Shroud Shim - .005" thick

Copied from original parts and made from stainless steel.   Thickness .005"   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...

Mainspring STG U9, 34k, & Suomi - New Production

New Production Mainspring for Suomi KP31, Swed M37, STG 76, Stemple Suomi, STG U9, STG 34k

Stemple STG 9mm Barrel 12.75"

12.75" barrel for BRP Stemple Takedown Guns.  FULL AUTO CHAMBER SPEC.   Extractor Location The extractor relief on this barrel is setup for the BRP-Stemple extractors and would have to be enlarged to accommodate the KP31 extractor for...

Stemple STG 9mm Barrel 16" Threaded 1/2-28

16" barrel for BRP Stemple Takedown Guns.  Works with slant pattern KP31 shroud.  Will work with compensated shroud if the exit hole is opened to .635".   Extractor Location The extractor relief on this barrel is setup for the...

PIAT Cleaning Brush

Original PIAT bristle brush. Approximately 12" long with 1.5" diameter brush.      Also, very useful for cleaning the inside of MG34 & MG42 barrel jackets, and BREN receivers.

STG Universal Barrel Shroud - M31 Compensated Front (LONG PICATINNY RAIL)

M31 Compensated Barrel Shroud with new parkerized finish for use with 12.875" 9mm barrels. Picatinny rail mount on bottom of shroud. Compatible with all Universal pattern Stemple guns and original KP31 SMGs.  *** 16" barrels wil...

STG Universal Barrel Shroud - M31 Slant Front (LONG PICATINNY RAIL)

M31 Slant Barrel Shroud with new parkerize finish for use with 12.875" and 16" 9mm barrels.  The 16" barrels are threaded 1/2-28. Picatinny rail mount on bottom of shroud. Compatible with all Universal pattern Stemple guns and...

Stemple Trunion Retaining Pins

Standard set of replacement Trunion Retaining Pins.  (2 pins included)

Stemple STG U-9mm, 76, 76W, 34k Trunion (Old Locknut Type)

2006-2010 Threaded Type Trunion.  Standard replacement Trunion Assembly for Stemple STG pattern trunions:  STG U-9mm, STG 76, STG 76W, & STG 34k Includes ejector, lock nut, and retaining pins.

STG-U-34k/76/76W Buffer Rod

STG Buffer Rod for STG34k, 76, 76W to be used with standard Suomi mainsprings

STG-U-34k/76/76W Buffer

Polyurethane buffer for STG34k, 76, 76W

Suomi/STG Magazine Latch Assembly

M31 Magazine Latch Assembly: Latch, Spring, & Retaining Pin For Suomi KP31, &  STG 34k, 76, 76w (please specify which type when ordering)

STG Combo Wrench

Barrel tool with fitted socket for STG Barrel Locknuts, 3/4 wrench for removing the flash-hider, and spanner for suppressor disassembly.

STG Multi-Tool

Type a description for this product here...

Barrel Jacket Retaining Pin: for 2008-2010 ptrn 34k, 76, 76W

Barrel Jacket Retaining Pin: for 2008-2010 ptrn 34k, 76, 76W   retains barrel jacket to magazine housing

STG 76, 76W, 34k 2006-2010 pattern barrel Lock Nut

This part threads to the front of the trunion to retain the barrel. Includes nut only.