JL Billet V.P.R. Muzzle Brake 9mm 1/2-28 Titanium

JL Billet V.P.R. Muzzle Brake 9mm 1/2-28 Titanium. P.R. Our V.P.R. muzzle brakes are designed with varying degree port angles to redirect the gases out and up to reduce felt recoil as well as reduce the muzzle rise. We 5 axis CNC machine these from 303 stainless steel to get the proper port angles. The port angles start with a 15 degree back angle and decrease as the gases dissipate moving forward. This provides the shooter with a smooth feeling recoil reduction. 1/2-28 Threads. Check out the review from the Fire Arm Blog http://www.thefirearmblog.com/blog/2015/07/16/review-jl-billet-v-p-r-muzzle-brake-for-5-56-223/ Specifications for JL Billet V.P.R. Muzzle Brake 5.56/223: Manufacturer: JL Billet Threads per Inch: 1/2x28 Gun Make: DPMS Gun Model: AR-15 Weight: 0.2 lb Additional Features: Machined Finish Condition: New Country of Origin: USA Features of JL Billet V.P.R. Muzzle Brake 5.56/223 AR 556 or 223 compensator / muzzle brake to reduce recoil with varying port angles Package Contents: JL Billet V.P.R. Muzzle Brake 5.56/223 What firearm models does the manufacturer say JL Billet V.P.R. Muzzle Brake 5.56/223 is compatible with? The manufacturer says that JL Billet V.P.R. Muzzle Brake 5.56/223 is compatible with AR-15JL Billet JLB-9MM-VPR-TI: V.P.R. Muzzle Brake 9mm 1/2-28 Titanium