The DEF15 is a light and versatile semi-auto rifle. It weighs in at 6.1 lbs., has a forged, flat-top receiver with MIL-STD 1913 rail and features a gas block with a MIL-STD 1913 rail to easily accessorize to meet any shooter's needs. It's chambered in .223/5.56x45mm and comes with a 30-round Magpul PMAG. Other features include a 16" double-lapped, chrome-lines chrome moly vanadium barrel, threaded for 5/8x24. It is crafted from 7075-T6 aluminum and has a flash suppressor.