HK21 / HK23 / HK11 Series

HK23E 70 Degree 20T Locking Piece - German HK New This is hard to find as the HK23E or the parts for the HK23E are no longer in production.

HK23E & MM23E Belt Box - German HK Brand new German HK23E, MM23E made feed box. The German units have long since been out of production so getting these new old stock German HK feed boxes is a windfall and a rare opportunity. Compatible With: HK 23E...

HK 21E M13 Feed Mechanism Roller

Michael's Machines HK 21 (7.62x51/.308) Factory Style T-Rail Set HK21 US-made rails for all HK21 builds. This is similar to the rails above, only prepped/cut for the HK21 feed mechanism.  

HK21 Heckler and Koch Factory FMP Stripped Bolt Carrier New factory surplus. HK Contract with FMP.

HK23E & HK13E Extractor New HK German and no longer in production. Compatible With: MM 23E HK 13E

HK21 Complete Build Kit- Non Matching Numbers HK Parts brings you another exhaustive parts kit. Our HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. We also included our own hanger with a...

HK21 Complete Build Kit- Non Matching Numbers - 14.5" Barrel HK Parts bring you yet another exhaustive parts kit.  Our HK21 kit includes everything you need to resurrect an iconic classic and hit the range for some belt-fed action. Paired with...

Saw Box (M249) Adapter For HK23E Or MM23E Belt Feds  

H&K 21E/23E/21/11/13 (7.62x51/.308) & (5.56/.223) Barrel Grip Holder - German New old stock with handling marks from being bagged and shipped in bulk. German HK manufacture.

RCM HK23E Barrel RCM HK23E light profile barrels are made from mil-spec 41V50 CHF blanks that are fully salt bath nitrided for optimal wear and corrosion resistance. These barrels are the finest out there to complete your HK23E or HK13 build. These are...

Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91, G3 PTR91, CETMEHK93 HK33, HK53 HK94 MP5 HK clones Other custom...