STG Stemple - Suomi Parts

Lot 9: Stemple Suomi Stock and Trigger Pack Assembly - For Slide Lock and Pinned Trunions

Actual Item Pictured Condition as Shown   Complete Stock and Fire Control Group Compatible with Slide Lock and Pinned Trunions with Suomi pattern barrel and shroud mount lugs Please call or write to check compatibility with your receiver...

Lot 6: Stemple Suomi Stock and Trigger Pack Assembly - ITP Pattern

Actual Item Pictured Condition as Shown   Complete Stock and Fire Control Group Compatible with ITP Pattern Stemple Receiver Setups and Lug Pattern Trunion Installed. Please call or write to check compatibility with your receiver. (678-425-9585...

Lot5: Stemple Suomi Stock and Trigger Pack Assembly - ITP Pattern

Actual Item Pictured Condition as Shown   Complete Stock and Fire Control Group Compatible with ITP Pattern Stemple Receiver Setups and Lug Pattern Trunion Installed. Please call or write to check compatibility with your receiver. (678-425-9585...

Lot 1: Stemple Suomi Stock and Trigger Pack Assembly - ITP Pattern

Actual Item Pictured Condition as Shown   Complete Stock and Fire Control Group Compatible with ITP Pattern Stemple Receiver Setups and Lug Pattern Trunion Installed. Please call or write to check compatibility with your receiver. (678-425-9585...

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

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

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

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

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...

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...

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"

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...

Picatinny Rail for Shroud

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

Universal Front Takedown Pin

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

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...

STG 9mm bolt - 34k & Stemple Suomi ( with NiB One™ plating)

Original STG 34k & Stemple Suomi Bolt Complete with Extractor Assembly.  This bolt is identical to the U9 bolt with the exception of the angle cut for the sear geometry.     NiB One™ plating This is an electroless NIB...

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

Polyurethane buffer for STG34k, 76, 76W

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...

Stemple Trunion U9, 76, Stemple Suomi & 34k - 2 Pin Pattern

Standard replacement Trunion Assembly for Stemple STG Standard Bolt Setups with pin mounts: Includes ejector and retaining pins.

Ejector U9, 76, Stemple Suomi, & 34k

Standard replacement ejector for Stemple STG pattern trunions:  STG U-9mm, STG 76, STG 76W, & STG 34k Includes ejector blade and retaining pin.

STG U9 Magazine Housing (complete - Black Anodized Finish)

Standard replacement magazine housing for 2011 pattern and later Universal 9mm setups for KP31 drums and mags. Black Anodized Finish This is a complete magazine housing for 1.375" OD Stemple 76/45 Receiver (STG-U and STG-76 pattern) to allow use with...

STG Universal Extractor with Spring and Pin

Standard AR- M16 Extractor with small flat machined to work in all Univerals configurations: U9, 34k, Stemple-Suomi, STG 76, U9SF, U45, U762, and post-2020 STG 1928s   Includes extra power Wolff spring and mounting pin

STG Universal Barrel Bushing for use with original Swed & Finnish Shrouds

STG Universal Barrel Bushing: fits between barrel and shroud for locking system.   This is necessary for use with original Swedish and Finnish barrel shrouds.