This DRD Tactical CDR-15 carbine is chambed in 5.56 NATO, constructed from billet upper and lower receivers with a mil spec grip. This base model is not the take down variant of the CDR-15.Weighing in at 6.8 lbs, this rifle features a flattop picatinny rail for ease of mounting all types of optics. It also features a reliable and accurate hammer-forged chrome-lined barrel and a Midwest Industries Gen2 SS handguard for mounting lights, lasers and other accessories. DRD Tactical CDR15 Carbine 5.56 NATO Rifle