Lead & Steel L&S Monobloc Barrel 5.56 12.5in Mid Length Threaded Black

Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM 12.5in Mid Length Black. Chambered in 5.56 NATO/223 Rem the 4150 Chromoly Vanadium barrel comes in various lengths. This barrel features a 1:8 twist ratio and a mid-length gas system with a manganese phosphate coated exterior chrome lined bore and match crown for maximum service life EXCLUSIVE to Lead & Steel All HM Defense barrels are match-grade tripled-honed & button-rifled for superior accuracy. All barrels feature Mil-spec M4 feed ramp extensions properly installed & head spaced. Specifications for Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM: Manufacturer: Lead & Steel Color: Black Finish: Manganese Phosphate Caliber: 5.56mm Gas System Length: Mid Length Barrel Twist Rate: 1-8 Barrel Material: 4150 CMV Steel Flutes: No Weight: 1.15 lb Firearms Threads Per Inch: 1/2x28 Features of Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM "BombProof" gas system Package Contents: Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM Lead & Steel LS-MB-CB-12: L&S Monobloc Barrel - Threaded 5.56MM 12.5in Mid Length Black