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

Slide Lock Trunion: Locking Pin

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

Slide Lock Trunion: Spacer

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

Original STEN Ruptured Case Tool, WW2 dated

Original WW2 Tool: mfg mark "Richards Scheffield" with a WW2 date. This is a very useful tool for clearing any 9mm chamber.

1/2 - 28 to 15mm x 1mm thread adapter

1/2 - 28 to 15mm x 1mm thread adapter(1/2" wrench flat for standard M16 armorer's wrench. Machined from 4140 chrome-moly steel. Black Oxide or Parkerized finishes available) This part adapts the AR standard barrel thread and other 1/2 - 28 threads...

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"

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.

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"

578" - 28 thread protector

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

9mm & 7.62x25 Bolt for Adjustable Bolt System

STG Universal Heavy Adjustable System: 9mm / 7.62x25 Bolt  

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

Adjustable Bolt System - Bolt Guide

STG Universal Bolt Guide for all setups utilizing the Adjustable Bolt System (9mm, 7.62x25 and 45 acp). Ejector Included

Adjustable Bolt System - STEEL Bolt Extension for CAR

Steel - CAR Length Bolt Extension for STG Universal Heavy Bolt System U9SF, U45, & U762  

Adjustable Bolt System Mainspring

This is the standard manspring used for all adjustable bolt system configurations (9mm, 45ACP, & 7.62 x 25).  It is specially designed for maximum reliability across a wide variety of cartridge characteristics.    Used in: STG...

Adjustable Bolt System Mainspring - Extra Heavy

CAR mainspring to be used with higher pressure .45acp and 7.62x25 ammo to reduce cyclic rate.   This spring should not be used with the 9mm setup.   STG Universal  U7.62, U45, & STG 7.62

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

CAR Stock

CAR Stock   Can be used with:  STG 43 STG Universal

Ejector U45, U9SF, U7.62

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

Heavy Bolt System - Bolt Extension Conversion for CAR to A2

STG Universal 9mm/7.62x25 Bolt Extension Conversion for using the CAR Bolt Extension with A2 length stock.     Can be used with STG Universal (STG-U) & STG 43 with A2 length stock. 

Hydraulic Buffer for Universal Adjustable Bolt System

Hydraulic Buffer for adjustable bolt system STG setups.

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...

KP31 Barrel Shim - .003 thick

Copied from original parts and made from stainless steel.   Thickness .003"   This part tightens the barrel to jacket fit by 'shimming' the rear collar of the barrel.   This is a very useful part for accurizing you gun or just fixing...

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...

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

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.

Picatinny Rail for Shroud

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

Picatinny Rail Top for Stemple Receiver

Picatinny Rail Top for Stemple Receiver with mount screws

Stemple STG 9mm Barrel 12.875"

12.875" barrel for BRP Stemple Takedown Guns.  These can be adapted for use with Finnish KP31 and semi auto variants.   Works with slant pattern KP31 shroud.  Will work with compensated shroud if the exit hole is opened to .635"...

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...

Stemple STG Spade Grip Kit

Spade grip adapter setup for Stemple machine guns with heavy bolt systems and CAR pattern stocks.     Mounting Adapters For Tripods: http://www.knsprecisioninc.com/gun-parts-and-accessories/tripods/mg42-tripod-to-picatinny-rail-adapter...

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.

Stemple Trunion Retaining Pins

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

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.

Stemple U9 Trigger Pack

M31 Trigger Pack that has been parkerized and inspected for use in Stemple 76/45 setups U9, U9SF, U762, & U45   NOT FOR SEMI AUTO US-MADE GUNS.

STG 43 Ejection Port Shield

STG 43 Ejection Port Shield with Cross Pin

STG 43 Screw and Pin Kit

Screws, Spring, and Pin Set for STG 43 Lower Housing.   Includes: 1:  8-32 X  .25 socket set screw  1:  8-32 X  .5 socket set screw  6:  8-32 X 3/8 low head  1: .25 X .875 long dowel  1: .25 X .75...

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.

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...

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 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...

STG Universal 7.62x25 Barrel - 9"

STG Universal 7.62x25 Barrel - 9", threaded 1/2-28 Used on: STG-U  STG43   Works with M37 Shrouds or Barrel Nut setups.   US Made 4140 Alloy Steel Parkerized Metal Finish  

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 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)   NiB One™ plating This is an electroless NIB nickel-boron plating system that is comprised of boron, nickel, and other metals to...

STG Universal Barrel Bushing

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

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