The Ballistic Advantage 6.5 Grendel 18'' SPR Rifle Barrel is crafted for precision and performance. Weighing 2.456 lbs this barrel features a 1-8 twist rate ideal for stabilizing the 6.5 Grendel cartridge. Made from stainless steel it offers durability and a sleek finish. Designed for AR-15 platforms it incorporates a rifle-length gas system for smooth operation. The barrel is threaded with 5/8-24 muzzle threads allowing for various muzzle device attachments. With an 18'' length and SPR contour it provides an optimal balance of weight and accuracy for shooters seeking superior performance.