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U45 Parts

  • 578" - 28 thread protector
    $25.00 578" - 28 thread protector
    Stainless Steel Thread Protector & Flash Hider for 578" - 28 Threaded U9 and U45 Barrels.    Features wrench flats for easy removal...

  • Adjustable Bolt System - 45 ACP Bolt
    $450.00 Adjustable Bolt System - 45 ACP Bolt
    STG Universal Adjustable Bolt System 45 acp Bolt  

  • Adjustable Bolt System - ALUMINUM Bolt Extension for CAR
    $45.00 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...

  • Adjustable Bolt System - Bolt Extension for A2
    $45.00 Adjustable Bolt System - Bolt Extension for A2
    This adapter is used to convert from the standard CAR length stock/tube to the A2 length stock/tube

  • Adjustable Bolt System - Bolt Guide
    $695.00 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
    $45.00 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
    $12.00 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...

  • Adjustable Bolt System Mainspring - Extra Heavy
    $10.00 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...

  • Ejector U45, U9SF, U7.62
    $14.00 Ejector U45, U9SF, U7.62
    Standard replacement ejector for Stemple STG pattern trunions:  STG U45, U9SF, U7.62 Includes ejector blade and retaining pins.

  • Heavy Bolt System - Bolt Extension Conversion for CAR to A2
    $9.00 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...

  • KP31 Barrel Shim - .001 thick
    $2.75 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...

  • KP31 Barrel Shim - .003 thick
    $2.75 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...

  • KP31 Shroud Shim - .002" thick
    $4.85 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...

  • KP31 Shroud Shim - .005" thick
    $4.85 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...

  • Picatinny Rail for Shroud
    $32.00 Picatinny Rail for Shroud
    Picatinny Rail for MN shroud and Suomi Shrouds that have been drill and tapped by BRP   3x Mount Screws includeds

  • Picatinny Rail Top for Stemple Receiver
    $32.00 Picatinny Rail Top for Stemple Receiver
    Picatinny Rail Top for Stemple Receiver with mount screws

  • Stemple STG Spade Grip Kit
    $420.00 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...

  • Stemple Trunion Retaining Pins
    $12.50 Choose Options Stemple Trunion Retaining Pins
    Standard set of replacement Trunion Retaining Pins.  (2 pins included)

  • Stemple U9 Trigger Pack
    $65.00 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 Combo Wrench
    $30.00 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
    $17.50 STG Multi-Tool
    Type a description for this product here...

  • STG Universal Barrel Shroud (with extra rail)
    $250.00 STG Universal Barrel Shroud (with extra rail)
    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...

  • STG Universal Charging Handle
    $15.00 STG Universal Charging Handle
    STG Charging Handle for: STG Universal STG 76 STG 76W STG 34k STG 43 Stemple Suomi

  • STG Universal Extractor with Spring and Pin
    $25.00 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   Includes extra power Wolfe spring and mounting...

  • Suomi KP31, Swed M37, Stemple U9 Trigger Pack Sear Spring
    $5.20 Suomi KP31, Swed M37, Stemple U9 Trigger Pack Sear Spring
    M31 Trigger Pack Sear Spring for original KP31 and Stemple U seris guns with Suomi patter trigger packs

  • U Lower Assembly
    $450.00 U Lower Assembly
    Standard U Lower Assembly for use with U9, U9SF and U45

  • U45 10.35" barrel -  threaded .578"-28
    $120.00 U45 10.35" barrel - threaded .578"-28
    45ACP 10.35" long barrel  Stainless Steel Threaded .578"-28 on end

  • U45 Mag Housing
    $595.00 U45 Mag Housing
    STG Universal 45 acp mag housing for standard M3 Grease Gun Magazines. 1.375 ID for Stemple 76/45 Receiver  

  • Universal Front Takedown Pin
    $4.00 Universal Front Takedown Pin
    Standard HK Small Pin used as front takedown pin for the U9, U9SF, U45, U7.62, STG76 and Stemple Suomi