HK21 / HK23 / HK11 Series

HK 21 Countersunk Screw - 6x12MM

H&K 21E/23E(7.62x51/.308) & (5.56/.223) Backplate These factory German HK21E/23E back plates are no longer in production.  Grab yours before they are gone for good!  

Heckler and Koch Rear Sight Base HK21E and HK23E  Genuine HK German rear site base.  Requires post installation machining to accommodate a scope. Compatible With: HK21E HK23E

FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. Missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom portion. Long since out of production and no longer...

FMP Portuguese HK91, G3, PTR 20 Round Aluminum Magazine - Used Portuguese FMP 20-round aluminum magazine for HK91, G3, and PTR pattern rifles. A solid factory-style magazine option for range use, replacement needs, or adding extra mags to your setup...

Heckler and Koch Buttpad for Wooden Stocks - Enhanced Polymer Buttpad - Used Used and in varying condition. See photos for examples. The enhanced polymer buttpad is a direct replacement for the standard fixed stock buttpad and can be swapped out in...

H&K HK21E/23E Hammer & Strut Assembly This original HK hammer and pinned strut assembly is sourced directly from Germany, providing the correct replacement or perfect upgrade for your HK21E or HK23E. Most U.S. HK21E/23E-style firearms are...

H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing This 4 position trigger housing is designed for factory HK21E and HK23E firearms. It is an excellent spare to have on hand for your HK belt-fed firearm, providing reliable...

HK21, HK23, HK11 Tripod Adapter Weldment Raw steel tripod adapter, ready to weld to the bottom of an HK21 shroud.  This factory spec adapter is compatible with factory HK tripods.   Compatible With: HK21 (German and FMP...

HK German HK21E, 23E Stock Complete The latest manufacture and no longer in production or offered by HK Germany. 

Heckler and Koch Bipod for HK11, HK21, HK23 German HK bipod for the HK21 series light machine gun system. This is the original, older-style HK21 bipod sourced from military surplus. These units are no longer in production and available only in limited...

HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK.  We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...