Videos tagged with Builder Mistakes

This guide details common AR-15 assembly errors, focusing on critical steps like barrel nut indexing and disconnector spring orientation. Experts from Brownells emphasize the importance of correct torque for the barrel nut (35-80 ft-lbs) and proper seating of the disconnector spring's flared end to prevent dangerous malfunctions. It also highlights the need for 'Oops Kits' containing spare small parts due to their tendency to get lost during builds.

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.