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Finnish KP31 Individual Parts

  • M31 Bolt
    $30.00 M31 Bolt
    complete with extractor

  • M31 Charging Handle
    $8.00 M31 Charging Handle
    Original M31 Charging Assembly: includes; handle, spring, bolt catch, and pin

  • M31 Rear Cap
    $5.00 M31 Rear Cap
    Original Rear Cap in Excellent Condition

  • M31 Rear Sight
    $8.00 M31 Rear Sight
    Original Suomi - Tikka mfg 500m tangent

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

  • M31/37 Barrel Jacket Latch
    $5.00 M31/37 Barrel Jacket Latch
    Removed from original receiver

  • M31/37 Front Sight Blade
    $3.00 M31/37 Front Sight Blade
    Original Front Sight Blade

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

  • Sling - Original KP31 like-new condition
    $25.00 Sling - Original KP31 like-new condition
    Original - Like-New Condition Sling

  • 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 (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

  • 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 Drum Tool
    $4.00 Suomi Drum Tool
    Fitted tool for the Suomi Drum Feeder Arm for 1/4" hex drive tool.   It allows you to remove the arm for retensioning the drum.

  • Suomi KP31 / Swed M37 Screws: Stock and Trigger
    $14.50 Suomi KP31 / Swed M37 Screws: Stock and Trigger
    Includes the trigger screw and trigger screw keeper, and stock/tang screw

  • 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 Rear Cap Mount with Buffer
    $8.50 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...