Odin Works Atlas 9 Compensator 9mm 1/2-36. The core and the cap are machined from 416R stainless steel and black nitrided while the sleeve is made from titanium. Timing and tuning is done with the titanium sleeve no shims or crush washers needed. Features/Specifications: Titanium sleeve Isonited 416R Stainless Steel For 9mm 1/2-36 threading Length: 2.56" Weight: 4.1 oz Diameter: 1" Specifications for Odin Works Odin Atlas 9 Compensator 9mm 1/2-36: Type/color: Compensator Size/finish: Black/stainless steel Material: Titanium/stainless steel Ar-15 accessory: Y Other features: Titanium sleeve isonited 416r stainless steel 2.56" long 3.9 oz 1" diameter Other features2: For 9mm ar builds 1/2-36 threading Dimension: 1.45 x 4.15 x 6.70 Height: 1.4500 Width: 4.1500 Length: 6.7000 Package Contents: Odin Works Atlas 9 Compensator 9mm 1/2-36 The Odin Works Odin Atlas 9 Compensator 9mm 1/2-36 is a quality addition to the ODIN Works lineup. For more great deals on Muzzle Brakes & Compensators by ODIN Works please browse our ODIN Works Gun Parts page. The ATLAS features a 3-piece modular design that makes installation simple and fast. The core and the cap are machined from 416R stainless steel and black nitrided while the sleeve is made from titanium. Timing and tuning is done with the titanium sleeve no shims or crush washers needed. Features/Specifications: Titanium sleeveIsonited 416R Stainless For 9mm 1/2-36 threadingLength: 2.56Weight: 4.1 ozDiameter: