This guide details the disassembly and reassembly of the Benelli MR1, a tactical rifle that deviates from AR-15/AR-18 designs. It highlights the MR1's unique gas system, derived from the Benelli M4, and its short-stroke piston operation. The process involves removing the muzzle nut and handguard, separating the receivers, and then removing the bolt carrier group. Expert instruction from Ian McCollum emphasizes the rifle's distinct mechanical features and its appeal to those seeking an AR-15 alternative.
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