Features : – Patented Ratchet-LOK end cap system for user serviceability and end cap diameter optimization. – Patented ECO-FLOW baffles for reduced back-pressure and increased performance. – Compatible with Griffin Taper Mount minimalist devices TM Hammer Comp and Linear Comp with included Plan-A and all Griffin Taper Mounts (long flash hider and flash comp) with the Plan-A XL – Compatible with CAM-LOK® EZ-LOK and DUAL-LOK systems – 1.375×24 threaded rear interface to support alternative mounting options – Supports 3-lug QD kit in 9mm via 1.375×24 Booster piston housing – Supports rifle calibers from .22 up to 350 legend as well as magnums like .338LM – Supports Pistol calibers up to 9mm – Use of .338 cal .30 cal and .22 cal Ratchet-Lok end caps increase sound performance on smaller calibers. – Specs : – 7.2 long x 1.5 diameter – 17-4 Stainless Steel tube body and front cap Black nitride finish – 17-4 H900 heat treated stainless steel baffles – 15oz in the Taper Mount configuration (using the included PLAN-A) – 16.9oz in the Pistol configuration (with universal piston system installed) – DB Rating: 136.8db 308WIN 131.4db 300BLK SUB 132db 9mm 132.7db 5.56mm