HK21 / HK23 / HK11 Series

HK 11E Magazine Exchange Kit- AS SHOWN HK21E to HK11E conversion kit to convert an HK21E to an HK11E to accept HK91/G3 style magazines. Converts from belt fed to a magazine fed on one platform of firearm. Includes: HK 11E Bolt Carrier Group Complete (no...

HK 11E bolt carrier HK21E to HK11E bolt carrier used to convert an HK21E to an HK11E to accept HK91/G3 style magazines. This is the HK11E bolt carrier only. Includes: HK 11E Bolt Carrier Last units no longer made- these were the LAST units HK Germany...

HK 21E & 23E Series Feed Mechanism Roller Axle  

HK21E & HK23E Forward Assist Compatible With: HK 21 HK 21E HK 23E HK 11 HK 13