This guide details common AR-15/AR-10 build mistakes and their solutions, as explained by Steve and Caleb from Brownells. Key areas covered include preventing accessory screw interference with the gas block, ensuring proper gas block alignment, adhering to the 40 ft-lbs torque spec for castle nuts, avoiding over-lapping upper receivers during lapping, and correct buffer tube installation depth. Following these steps ensures reliable function and accuracy.
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