Take control of every shot with the DMA Inc. Knurled .30 Muzzle Brake - 5/8x24. This muzzle device helps mitigate recoil and limit muzzle rise for quicker follow-up shots and better control over your rifle. It features a sleek, durable build with steel construction and a corrosion-resistant nitride finish. A knurled texture provides a unique look and provides enhanced grip for easy installation and removal. 5/8x24 threads. Made in USA. Specifications Caliber: 300 AAC Blackout, 308 Winchester, 7.62 × 51mm NATO Color: Black Material: Aluminum