The AR-22 SBX barrel is a 6061-T6 lightweight aluminum threaded barrel with a 4140 button rifled steel liner and Hogue free float forend. The SBX barrel has an actual bore length of 12.25 inches with a permanently attached shroud for an overall length of 16.5 inches. It includes a CNC machined bolt assembly with a 416 stainless steel bolt with precision ground tool steel guide rails for strength and smooth reliable operation. Each conversion is shipped with a 25 round Black Dog Machine magazine.
Upper Receiver Type: A4 Style Flat-Top
Barrel Length: 12.25 inches (16.5 inches with permanent shroud)
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