Maintain an M4 or M4A1 Carbine Reviews
Summary – Assemble the M4 or M4A1 Carbine
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&pageText=To properly assemble the M4 or M4A1 carbine, you must:& &bulletText1=Combine buttstock assembly and lower receiver& &bulletText2=Collapse buttstock assembly to closed position& &bulletText3=Combine buffer and action spring& &bulletText4=Insert buffer into buttstock assembly& &bulletText5=Replace extractor pin and spring& &bulletText6=Insert bolt assembly into bolt carrier& &bulletText7=Replace firing pin retaining pin and firing pin& &bulletText8=Replace carrying handle assembly& &bulletText9=Replace bolt carrier group and charging handle& &bulletText10=Combine upper and lower receivers& &bulletText11=Replace handguards& &bulletText12=Replace sling&
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