HK91, G3, HK21E Locking Piece #17 - 36 Degree

Heckler and Koch German #17 Locking Piece - 36 Degree

One of the best ways to slow down and tame that HK21). Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for all HK21E's. This can be adapted to many HK custom builds and applications. This locking piece is the lowest degree of any locking piece available in the wide range of HK's locking piece family. The HK German #17 locking piece is no longer in production or available. Get them while they are still available! No longer made as HK stopped production on these. Please note: That we now offer a US made locking piece equivalent for about half the cost.