STG 76 Parts and Accessories

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...

BRP STG T Shirt by Nine Line

BRP STG T-Shirt by Nine Line  Black 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) 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

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...

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...

U9 8.64" barrel threaded 1/2"-28

9mm  8.64" long barrel  Stainless Steel Threaded .1/2"-28 on end For use on 2010 pattern shroud  (see reference pic)

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) 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  10.35" long barrel  Stainless Steel Threaded .1/2"-28 on end

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.     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 full auto and semi auto...

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 (Threaded 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.

Stemple Trunion U9, 76, Stemple Suomi & 34k

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 U & 76 Magazine Housing (complete)

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

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 Wolfe spring and mounting pin

STG Universal Charging Handle

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

STG Universal Barrel Latch

Suomi-type barrel latch setup for use on the: STG 76 (2011 pattern) STG 34k (2011 pattern) STG 43  STG Universal

STG Universal Barrel Nut

Takes place of barrel shroud to lock the barrel to the trunion without the need for a shroud

STG Universal Barrel Bushing

STG Universal Barrel Bushing: fits between barrel and shroud for locking system.

STG Universal 9mm Barrel - 10"

STG Universal 9mm Barrel - 10", threaded 1/2-28 Used on: STG-U  STG43 STG76   Works with M37 Shrouds, Barrel Nut, and MN Shroud setups.   US Made 4140 Alloy Steel Parkerized Metal Finish Twist Rate: 1:10  

STG Universal Rear Takedown Screw

STG Universal Rear Takedown Screw for: STG43 STG-U STG76

Picatinny Rail Top for Stemple Receiver

Picatinny Rail Top for Stemple Receiver with mount screws