Assemble the Bolt Carrier Assembly

The Bolt Carrier Assembly consists of: Bolt Bolt Carrier Bolt Cam Pin Firing Pin Firing Pin Retaining Pin AR-15 Bolt Assembly 1.AR-15 Bolt *Note: The bolt is complete and ready to be installed in the bolt carrier group. The Shilen Barrel we selected is match quality and the manufacturer headspaces and numbers the bolt (included …

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Basic Tools Needed To Assemble an AR 15 Upper Receiver

Bench mounted vice Upper receiver block Torque wrench (FT/LBS) Allen wrench set 3/32 – 3/8 in. ¾ Open end wrench (wrench to match selected muzzle device) Heat gun or hair dryer (used for upper assembly with an interference fit between barrel and receiver) Wrench that mates with the barrel nut you plan to install; this …

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