SRX BRAKE 5/8-24 INCLUDES SHIM KIT Manufacturer Model Number: YHM-4401-MB-24 Manufacturer: Yankee Hill Machine Company Model: 30Cal SRX Muzzle Brake Caliber: 30 Caliber | 7.62mm Type: Accessory-Muzzle Brakes Item Type: Accessory Finish: Black Shipping Weight: 0.1 Feature: Q.D. Mt for 30Cal Suppressor Feature: Includes Shim Kit Optic Adjustable Objective: false Optic Reticle Illuminated: false