HK21E HK23E #9 40-degree locking piece new.
Works with both .223 and 308 applications. For fine tuning custom builds.
Made by RCM, Rim Country MFG. Machined in the USA.
G3 RIVET BUSHING FOR BUTTSTOCK PUSH-PIN NEW
LARGE HK PUSH PIN
HK21E HK23E G41 EJECTOR SPRING NEW, GERMAN
HK RIVET FOR GUIDE ROD NEW, GERMAN
