The LWRC IC-SPR is a semi-automatic rifle chambered in 223 Rem5.56 NATO. A 16 cold hammer forged barrel is accompanied by LWRC folding front and rear sights and an A2 style birdcage. A full length picatinny rail allows users to attach their choice of optics while a LWRC collapsible carbine stock allows further customization of the IC-SPR. DetailsCALIBER 5.56 NATO - BARREL 16.1 (40.9cm) - WEIGHT 7.3 lbs (3.31kg) - MUZZLE THREADS 12x28 TPI - RIFLING 17 RH - LWRCI manufactured barrel is precisely torqued in our factory to a consistent torque setting cold hammer forged- Nicorr treated with a 17 twist stabilizes a wide range of bullet types - All LWRCI forgings are coined the material is struck twice in the die for precise dimensional accuracy and a superior surface finish - Magpul MOE Grip combines reinforced polymer body construction with comfortable wrap-around rubber overmolding for maximum weapon control in adverse environments