H&K Heckler & Koch

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 & 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...

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

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...

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!  

HK 21E Backplate Assembly With Heavy Buffer Genuine Heckler and Koch. Unique back plate assembly for a pistol type build or a low profile addition to the HK21E/HK23E. Compatible With: HK 21E HK 11

All steel heavy duty carrying case to carry your Heckler and Koch HK21 and HK23 Barrels. Features: Heavy Duty Steel  18" barrel carrying case for 17.7" barrels Sling attached Rare and out of...

HK German Factory HK21E/23E & HK11E/13E Barrel Handle - New Factory German fiberglass/polymer extended E barrel handle. This is also considered an upgrade for older style HK21 barrel...

HK21E & HK23E Factory Brass Catcher- New HK German HK21E and HK23E brass catcher with quick release system for taking the unit on and off in a snap.  Compatible With: HK23E HK21E MM23E...