Ultradyne Apollo S Compensator AR-15 223/5.56 1/2-28in .975 Outside Diameter 416 SS Salt Bath Nitride Black UD10220. By using a scientific approach and studying thousands of recoil events Ultradyne engineers have struck a balance between extreme...
Ultradyne Apollo S Compensator AR-15 223/5.56 1/2-28in .975 Outside Diameter 416 SS Salt Bath Nitride Black UD10220. By using a scientific approach and studying thousands of recoil events Ultradyne engineers have struck a balance between extreme...