The LWRC IC SPR utilizes a cold hammer forged spiral fluted barrel as found on the IC Enhanced rifle. The SPR employs a low profile fixed gas block with a self regulating function of the piston system. Features include a longer 12" user configurable handguard low profile Skirmish sights LWRC compact buttstock LWRC pistol grip LWRC ambidextrous charging handle Nickel Boron coated bolt carrier group and black nitride treated LWRC heavy profile barrel.