The SAINT Edge ATC is built around the patented "Accurized Tactical Chassis" and is designed to deliver maximum precision in the AR platform. Featuring a monolithic lower/handguard system the SAINT Edge ATC delivers a 100% free-floated barrel ensuring that the barrel barrel nut and gas system are totally free from any contact with the lower chassis. The result is a .223 Wylde rifle that delivers guaranteed sub-MOA performance for three shots with a skilled shooter and match-grade ammunition.Features: CALIBER: .223 Wylde COLOR: Black BARREL: 18" Ballistic Advantage MeloniteA(R) 1:7 SIGHTS: N/A UPPER RECEIVER: Forged 7075 T6 Aluminum Type III Hardcoat Anodized Forward Assist M4 Feed Ramps LOWER RECEIVER: ATC Chassis Machined 6061 T6 Aluminum Type III Hardcoat Anodized QD Mounting Points BOLT CARRIER GROUP: M16 w/ Carpenter 158 Steel Bolt HPT/MPI MeloniteA(R) GAS SYSTEM: Direct Impingement Mid-Length Low-Profile Pinned Gas Block HANDGUARD: Integral to ATC Chassis M-LokA(R) STOCK: B5 Systems Enhanced SopMod TRIGGER: Flat Modular Match MUZZLE DEVICE: SA Muzzle Brake RECEIVER EXTENSION: Mil-Spec RECEIVER END PLATE: QD BUFFER ASSEMBLY: Carbine "H" Heavy Tungsten Buffer CHARGING HANDLE: GI Style SAFETY SWITCH: Single Side TRIGGER GUARD: Integral to Receiver GRIP: B5 Systems Type 23 P-Grip MAGAZINES: (1) 20-Round MagpulA(R) PMAGA(R) Gen M3(TM) WEIGHT: 9 lbs 8 oz LENGTH: 35.5" - 38.25"