The Axiom features our patent pending split tube technology allowing the user to remove the baffle stack for cleaning no matter how dirty the suppressor gets. – This suppressor is manufactured using light weight durable and easy to clean titanium with a rugged stainless steel split tube. The Axiom is rated for semi and full auto use with the following calibers: – .22LR .17HM2 .22WMR .17HMR .17WSM 22 Hornet and 5.7 x 28. – Specs: – 1/2×28 Threads – 1 Outside Diameter – Full auto rated – Titanium baffles and body – Stainless steel Spilt Tube – 6oz – 5.9 – Heat Resistant Utility Pouch & Wrench Included