The Ultradyne Mercury 1/2X28 is a precision-made muzzle brake engineered for AR-15 platforms chambered in 5.56mm NATO, delivering reliable recoil reduction and improved follow-up shot speed thanks to its carefully tuned gas relief ports and signature Mercury design. Crafted from 416 stainless steel and finished in black, this brake weighs 3.1 oz for a balanced profile that maintains accuracy while reducing muzzle rise during rapid fire. It fits AR-15 rifles with 1/2x28 threads, making it a straightforward upgrade for shooters seeking enhanced control without adding excessive bulk to the muzzle. The Mercury brake includes a shrouded timing nut, ensuring secure alignment and straightforward installation, so you can rely on repeatable performance in field, range, or duty use. Ultradynes USA-made construction emphasizes durability and consistency under demanding conditions, and the brakes compact form complements a wide range of handguard lengths and setups. Whether youre competing, plinking, or pursuing precision at distance, the Mercury brake provides a dependable means to manage muzzle dynamics, improve shot placement, and maintain steadier sight picture in dynamic shooting scenarios.