Grab A Gun is the name you know and trust when it comes to purchasing high quality accessories for your firearms. This particular upgrade such as this Brownells AR-15/M16 Receiver Action Block will allow you upgrade your rifle the way you need it in either in the field, range, or combat.
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AR-15/M16 Receiver Action Block
Brownells AR-15/M16 Receiver Action Block Features: Protect Receiver From Damage When Clamping. Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective cleaning, assembly, and repair. High pressure, solvent resistant, structural Rynite block and insert surround the entire upper receiver and support it inside and out to make rebarreling the AR-15/M16 an easy, one-man job. Lets you firmly secure a mil-spec carry handle receiver or mil-spec flattop receiver in a large bench vise for barrel removal/installation. Torque generated while tightening the barrel nut is transmitted to the block and insert, not the receiver. Minimizes the possibility of damage to the barrel detent pin and receiver detent notch. Holds securely without marring the finish. Brownells AR-15/M16 Receiver Action Block Specifications: Injection-molded Rynite Black Fits A1, A2 Standard flattop receivers Block – 2.5″ (6.3cm) thick 3.5″ (8.8cm) wide 4.5″ (11.4cm) high Insert – 8″ (20cm) long 1″ (2.5cm) diameter Torque tested to 200 ft. lbs.