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    • Suomi Project Gun Parts

    • Stemple Trunion Assembly - Slide Lock Pattern

      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...

      $390.00
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    • 9mm SMG Chamber and Headspace Gauge 9mm SMG Chamber and Headspace Gauge

      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...

      $36.00
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    • SALE
      9mm Barrel Blank 4.25" long 9mm Barrel Blank 4.25" long

      9mm Barrel Blank 4.25" long

      9mm 1:10 Twist 41v50 Chrome Moly unused not chambered These are drops from barrels for the Stemple Suomi we cut down 4.25" long The diameters are marked in the pictures.    

      Was: $14.00
      Now: $9.00
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    • KP31 Shroud Shim - .01" thick KP31 Shroud Shim - .01" thick

      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...

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

      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...

      $4.85
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    • KP31 Barrel Shim - .001 thick KP31 Barrel Shim - .001 thick

      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...

      $2.75
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    • KP31 Shroud Shim - .005" thick KP31 Shroud Shim - .005" thick

      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...

      $4.85
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    • Stemple STG 9mm Barrel 12.75" Stemple STG 9mm Barrel 12.75"

      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...

      $160.00
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    • Semi Auto Trigger Adapter (Housing Only) Semi Auto Trigger Adapter (Housing Only)

      Semi Auto Trigger Adapter (Housing Only)

      Semi Auto Trigger Adapter: (HOUSING ONLY)   Does NOT include: AR Parts   The front of the original MG42 trigger pack must be machined (see prints), then this part is welded to the front of the original trigger pack. It is very important to...

      $32.50
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    • Project Gun Pin

      Project Gun Pin

      1/4 diameter x 1 1/4 long blued clevis pins   These are very useful for joining parts for project guns.    

      $1.00
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    • Suomi Rear Cap Mount with Buffer Suomi Rear Cap Mount with Buffer

      Suomi Rear Cap Mount with Buffer

        Assembly for mountain a Suomi buffer with having to thread the the rear of your receiver.  This is the setup we used to mount the buffer in our early STG34k guns.   This assembly includes: - 1 M31 buffer - 1 BRP rear tab: this part...

      $12.00
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    • KP31 Barrel Shim - .003 thick KP31 Barrel Shim - .003 thick

      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...

      $2.75
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    • AR Handguard Foregrip AR Handguard Foregrip

      AR Handguard Foregrip

      AR Handguard Foregrip:  Simply uses screws and nuts to attach to standard A2 and M4 handguards (mounting parts included).   Also fits 2008-2010 pattern shrouds for STG34k and STG76

      $4.50
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