Evolution Gun Works Conversion Cone, 11/16 x 40, .575 x 40, 11877

Cones are threaded to match bull barrels. Once the cone is fitted comps can be changed by simply screwing the new comp on without refitting the barrel each time. Works with Aluminum Titanium Steel or Stainless Steel compensators. OD thread - 11/16 x 40. ID thread .575 x 40.