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STG U9 Spare Parts

  •  STG Universal Mainspring - Standard
    $8.00 STG Universal Mainspring - Standard
    Standard CAR mainspring to be used with both stock configurations with the: STG Universal  STG 43

  • 1/2 - 28 to 15mm x 1mm thread adapter
    $17.50 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...

  • A2 Stock
    $42.50 A2 Stock
    A2 stock    Can be used with:  STG 43 STG Universal

  • Barrel Jacket Retaining Pin: for 2008-2010 ptrn 34k, 76, 76W
    $4.00 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

  • Bolt (complete) for 2008-2010 ptrn 34k, 76, 76W
    $130.00 Bolt (complete) for 2008-2010 ptrn 34k, 76, 76W
    Complete Bolt Assemble with Extractor (does not include charging handle) Fits 34k, 76, 76W  

  • CAR Stock
    $42.50 CAR Stock
    CAR Stock   Can be used with:  STG 43 STG Universal

  • M31 Trigger Pack
    $45.00 M31 Trigger Pack
    Complete Original M31 Trigger Pack in Excellent Condition

  • M31/37 Mainspring
    $10.00 M31/37 Mainspring
    Original Mainspring

  • Picatinny Rail Top for Stemple Receiver
    $20.00 Picatinny Rail Top for Stemple Receiver
    Picatinny Rail Top for Stemple Receiver with mount screws

  • PPS43 Magazine
    $25.00 PPS43 Magazine
    Standard PPS43 Magazine.   Also works with STG43 Not for sale where prohibited.     MAGAZINE SHIPPING RESTRICTIONS   California Restrictions: 10 rounds, unless you can supply these 3...

  • ProMag Swiss Style Grip
    $14.00 ProMag Swiss Style Grip
    ProMag Swiss Style Grip

  • STG 43 Ejection Port Shield
    $125.00 STG 43 Ejection Port Shield
    STG 43 Ejection Port Shield with Cross Pin

  • STG 43 Lower Assembly - Complete
    $350.00 STG 43 Lower Assembly - Complete
    Complete/Assembled STG 43 Lower Housing 

  • $10.00 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...

  • STG 76, 34k 2008-2010 pattern barrel 12.5"
    $75.00 STG 76, 34k 2008-2010 pattern barrel 12.5"
    2008-2010 Pattern Long Barrel for picatinny shroud

  • STG 76, 34k 2008-2010 pattern barrel 8"
    $75.00 STG 76, 34k 2008-2010 pattern barrel 8"
    2008-2010 Pattern Short Barrel for picatinny shroud

  • STG 76, 34k 2008-2010 pattern barrel cap LONG
    $18.00 STG 76, 34k 2008-2010 pattern barrel cap LONG
    2008-2010 Pattern Barrel Cap for Long Barrel Setup

  • STG 76, 34k 2008-2010 pattern barrel cap SHORT
    $18.00 STG 76, 34k 2008-2010 pattern barrel cap SHORT
    2008-2010 Pattern Barrel Cap for Short Barrel Setup

  • STG 76, 76W, 34k 2006-2010 pattern barrel Lock Nut
    $7.50 STG 76, 76W, 34k 2006-2010 pattern barrel Lock Nut
    This part threads to the front of the trunion to retain the barrel.

  • STG Barrel-Tool
    $17.50 STG Barrel-Tool
    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 U & 76 Magazine Housing (complete)
    $245.00 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...

  • STG U-9mm, 76, 76W, 34k Ejector
    $15.00 STG U-9mm, 76, 76W, 34k Ejector
    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-9mm, 76, 76W, 34k Trunion
    $200.00 STG U-9mm, 76, 76W, 34k Trunion
    Standard replacement Trunion Assembly for Stemple STG pattern trunions:  STG U-9mm, STG 76, STG 76W, & STG 34k Includes ejector and retaining pins.

  • STG Universal 7.62x25 Barrel - 9"
    $100.00 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.

  • STG Universal 9mm Barrel - 9"
    $100.00 STG Universal 9mm Barrel - 9"
    STG Universal 9mm Barrel - 9", threaded 1/2-28 Used on: STG-U  STG43 STG76   Works with M37 Shrouds or Barrel Nut setups.

  • STG Universal 9mm Bolt for standard rate
    $135.00 STG Universal 9mm Bolt for standard rate
    STG Universal 9mm Bolt with Extractor for STG Universal (STG-U) (standard-rate system / full round)

  • STG Universal 9mm/7.62x25 Bolt Extension Conversion for CAR to A2
    $9.00 STG Universal 9mm/7.62x25 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...

  • STG Universal 9mm/7.62x25 Bolt Extension for A2
    $45.00 STG Universal 9mm/7.62x25 Bolt Extension for A2
    STG Universal 9mm/7.62x25 Bolt Extension for STG Universal (STG-U) & STG 43 with A2 length stock

  • STG Universal 9mm/7.62x25 Bolt Extension for CAR
    $45.00 STG Universal 9mm/7.62x25 Bolt Extension for CAR
    STG Universal 9mm/7.62x25 Bolt Extension for STG Universal (STG-U) & STG 43 with CAR length stock

  • STG Universal 9mm/7.62x25 Bolt for Slow-Fire System
    $130.00 STG Universal 9mm/7.62x25 Bolt for Slow-Fire System
    STG Universal 9mm/7.62x25 Bolt with Extractor for STG Universal (STG-U) & STG 43 (slow-fire pattern)

  • STG Universal 9mm/7.62x25 Bolt Guide
    $185.00 STG Universal 9mm/7.62x25 Bolt Guide
    STG Universal 9mm/7.62x25 Bolt Guide for STG Universal (STG-U) & STG 43

  • STG Universal Barrel Bushing
    $8.00 STG Universal Barrel Bushing
    STG Universal Barrel Bushing: fits between barrel and shroud for locking system.

  • STG Universal Barrel Latch
    $12.00 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
    $20.00 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 Shroud - M31 Compensated Front (LONG PICATINNY RAIL)
    $135.00 Choose Options STG Universal Barrel Shroud - M31 Compensated Front (LONG PICATINNY RAIL)
    M31 Slant Barrel Shroud with new parkerize finish for use with 13" barrels For STG 43, 34k 2011 ptrn, 76 2011 ptrn, & U ptrn 9" rail mount on bottom of shroud

  • STG Universal Barrel Shroud - M31 Slant Front
    $65.00 Choose Options STG Universal Barrel Shroud - M31 Slant Front
    M31 Slant Barrel Shroud with new parkerize finish for use with 13" barrels For STG 43, 34k 2011 ptrn, 76 2011 ptrn, & U ptrn Mount position available forward and rearward on the shroud.

  • STG Universal Barrel Shroud - M31 Slant Front (LONG PICATINNY RAIL)
    $135.00 Choose Options STG Universal Barrel Shroud - M31 Slant Front (LONG PICATINNY RAIL)
    M31 Slant Barrel Shroud with new parkerize finish for use with 13" barrels For STG 43, 34k 2011 ptrn, 76 2011 ptrn, & U ptrn 9" rail mount on bottom of shroud

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

  • STG Universal Rear Takedown Screw
    $9.00 STG Universal Rear Takedown Screw
    STG Universal Rear Takedown Screw for: STG43 STG-U STG76

  • STG-U-34k/76/76W Buffer
    $5.00 STG-U-34k/76/76W Buffer
    Polyurethane buffer for STG34k, 76, 76W

  • STG-U-34k/76/76W Buffer Rod
    $12.00 STG-U-34k/76/76W Buffer Rod
    STG Buffer Rod for STG34k, 76, 76W to be used with standard Suomi mainsprings

  • STG/CAR Universal Mainspring - High Rate
    $9.00 STG/CAR Universal Mainspring - High Rate
    Reduced power mainspring compared to original AR.  The reduced resistance results in higher cyclic rates. Used in: STG Universal  STG 43 or can be used with standard CAR AR15s or...

  • Suomi Drum
    $50.00 Suomi Drum
    70rd original Finnish Suomi drum. Works with M31/KP31, M37/39, M45. (not for sale where prohibited) Excellent condition

  • Suomi KP31 Barrel Shim
    $2.75 Suomi KP31 Barrel Shim
    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...

  • Suomi/STG Magazine Latch Assembly
    $15.00 Choose Options 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)

  • Trunion Retaining Pins
    $5.00 Choose Options Trunion Retaining Pins
    Standard set of replacement Trunion Retaining Pins.  (2 pins included)