Unleash the potential of Wilson Combat's SBR tactical stainless barrel and take your shooting to new heights. This 11.3" precision-crafted barrel is tailor-made for 5.56 NATO, a dependable and optimized caliber for defense, training, and small-medium game. The Wilson Combat SBR (Short Barreled Rifle) Tactical is designed to keep you safe and reliable. It's our most compact custom high-performance AR rifle barrel, but don't let its small size fool you as it packs a mighty punch! Easily transform your registered lower into an advanced carbine for close-quarters operations with this highly portable upper. The medium taper design is perfect for sustaining rapid fire rates and provides a superior balance that allows astoundingly fast shooting capabilities. It features a 1-7 twist rate and is made from 416R rifle-rated steel, ensuring superior durability and accuracy. Our rigorous final inspection process guarantees that this stainless steel barrel is of the highest quality. Nearly two decades of building the finest custom tactical AR-15 rifles have given us the insight to develop a comprehensive line of stainless steel, match-grade barrels that offer superior accuracy, reliability, and longevity for your next custom AR rifle project. All Wilson Combat Match Grade AR-15 barrels are precisely crafted of the finest American-made 416R rifle-rated steel on computer-controlled equipment to our exacting list of technical specifications. These proven barrels feature a hand-polished bore and feed ramps and then complete a rigorous final inspection process that ensures your new barrel will meet your most demanding expectations. All barrels feature crisp CNC markings, precision muzzle crown, and a chamber and gas port optimized for reliability. Chamber: 5.56 NATO Feed Ramps: M4 style Finish: Matte bead blasted stainless Gas Block Seat: .750" x .920" - Dimpled for set screw Gas System: Carbine Length Length: 11.3" Material: Stainless steel - Type 416R Muzzle Threads: 1/2" x 28 Profile: SBR Tactical (Non-Fluted) Rifling: 1:7 - Button rifled Weight: 25 oz.