H&K Heckler & Koch

HK Heckler and Koch HK21 and FMP Drum Hanger with 100 Round Drum Complete your HK21 or FMP21 build with the incredibly rare original H&K drum hanger and 100-round drum.  These components...

H&K 21/21E/23/23E Double Frame Front Sight Base Original, unissued German double frame front sight bases. These have never been welded to a cocking tube and are perfect for completing or...

HK German HK21E, HK23E Firing Pin Spring A must-have spare and replacement part. No longer in production. Compatible With: HK21E HK23E HK11E HK13 E HK21 HK MSG90 HK PSG1

HK21E, 11E, PSG1, MSG90 Factory German HK Extractor

HK German 21E Cartridge Guide - Complete New old stock HK German .308 HK21E feed mech cartridge guide.

HK21E Partial Feed Mechanism. Comes complete minus the top shelf & pin as shown. New HK date coded complete & German. We have been told these are the last units available.

HK 21E M13 Feed Mechanism Roller

HK 21E & 23E Series Feed Mechanism Roller Axle  

HK21E Feed Mechanism Complete - German HK - DM1 Links New genuine HK date-coded and marked 21E complete feed mechanism. These are the last of the genuine feed mechs available and due to the HK...

HK21E & 11E Factory Extractor Spring Made by HK Germany for all HK21E's and 11E's.

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...

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...