B&T 2-chamber compensator for Rotex-IIA™ is a high-quality steel accessory in caliber .308 Win (7.62×51 mm NATO) with a 5/8″×24 UNEF thread, mainly dedicated to AR-10, SCAR-H, G3/91/3 rifles and other weapons with this standard thread. It effectively reduces recoil and muzzle rise, significantly improving control and speed of return to target when shooting in bursts or intense fire, and additionally features a QD interface for quick mounting of Rotex-IIA™ series suppressors without tools. It weighs about 90 g.