Product Details 10 Reviews Large two chamber design reduces muzzle climbConstructed from tool steel with a phosphate finish1/2-28 threads for 9mm/9x19 rifles.410" diameter holeIncludes new crush washer100% made in the U.S.A.Lifetime WarrantyWeight 2.9oz 10 Reviews Hide Reviews Show Reviews 5 MI-MB9 MI AR-15 9mm/9x19 Two Chamber Muzzle Brake Posted by Gary Pinard on May 6th 2020 Fantastic addition to my Ruger PC9. So good in fact I bought another one for my other one. Great product! Previous
5 MI-MB9 MI AR-15 9mm/9x19 Two Chamber Muzzle Brake Posted by Gary Pinard on May 6th 2020 Fantastic addition to my Ruger PC9. So good in fact I bought another one for my other one. Great product!