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Bear Creek Arsenal BC-10 AR-10 20 inch heavy barrel. Made from 416R stainless steel with rifle-length gas system and 1:10 twist. Does not include gas block or gas tube. Finish: stainless steel. Thread pitch: 5/8 x 24. Weight: 3.0 lb. Barrel length: 20 inches. Caliber: .308 Winchester. Platform: AR-10.
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