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.
Isonited 416R Stainless SteelFor 9mm 1/2-28 threading
Weight: 4.1 oz