The Daniel Defense 16'' S2W Carbine Length 300 BLK Barrel delivers reliable performance for AR-15/M16 platforms with a hammer-forged S2W contour and a 1-8 twist optimized for accuracy across a wide range of 300 AAC Blackout loads. Finished in durable nitride for corrosion resistance and long-lasting wear, this 16-inch barrel features a carbine-length gas system and precision-machined dimensions designed to maximize reliable cycling and consistent muzzle velocity in practical field conditions. The 5/8-24 muzzle threads accommodate a broad selection of suppressors and compensators, making it a versatile choice for hunters, duty operators, or sport shooters seeking enhanced velocity and reduced muzzle rise without compromising balance in a compact rifle setup. By pairing the AR-15 platform with a 300 Blackout chamber, you gain efficient subsonic performance for suppressed, controlled shootings and effective performance with standard supersonic ammo for close- to mid-range engagements. Daniel Defenses expertise in AR-15 barrels translates to an enduring barrel that maintains straight tracking, predictable reassembly, and repeatable accuracy shot after shot, ensuring this barrel remains a dependable core component for your rifle build.