Brownells 75th Anniversary - A Shooting Heritage

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 tightly clamp a carry handle receiver or 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.  DO NOT USE ON BILLET UPPERS OR DAMAGE TO THE UPPER CAN RESULT.

AR-15, Issue:11, Page:082
AR-15, Issue:11, Page:083
AR-15, Issue:11, Page:085
Big Book Catalog, Issue:69, Page:082
Big Book Catalog, Issue:69, Page:083
Sinclair, Issue:4S, Page:023

SPECS: Injection-molded Rynite, black. Fits A1, A2, and 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.


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