MP5 SD Locking Piece – 120 Degree
MP5 SD 120 Degree Locking Piece – USA
This locking piece is a US made version of the factory German MP5SD 120 degree locking piece. This was the German locking piece that was marked #5 when HK Germany used to make them. Each locking piece is made 100% here in the USA with ordnance grade steel, heat treated and made to last. No finer US made locking piece exists.
- For use with:
- HK MP5SD Models that need a little extra help cycling anemic ammunition
- Custom builds or clones
- Origin: USA
- Brand: HK PARTS