Suomi KP31 & Swed 37 SMG

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...

KP31 Suomi SEMI AUTO HEADSPACE pattern 9mm Barrel 16" Threaded 1/2-28

16" barrel for Semi Auto KP31.   Works with slant pattern KP31 shroud.  Will work with compensated shroud if the exit hole is opened to .635".   HEADSPACE on Closed Bolt Semi Auto Guns vs Open Bolt / Fixed Firing Pin Blow Back...

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 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 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...

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...

BRP Photo CDs (2800 photos)

This 2 CD pack contains 2800 photos of MG34 parts and kits, MG42 parts and kits, a few MP40 pictures, and two FG42s.  Most of the pictures are from our cataloging of MG34 and 42 parts purchased domestically and abroad. They are sorted by catalog...

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...

Suomi KP31 Transit Chest

Transit Chest Only (ships free in Lower 48) Gun and Parts Shown For Reference  (NOT INCLUDED)