The FLY 45 has industry leading .45 ACP suppression performance while being 25- to 50-percent lighter than its competitors. It's also super tough and is rated for .45-70, .308 WIN, and .223/556 (see below for barrel length restrictions).The FLY 45 is a modular suppressor with a full length (including booster) of 8.85 inches and a short configuration (with booster) of 6.6 inches.We have all the data posted in the large table below, but it's easy to summarize-- The FLY 45 suppresses better or the same as the other quietest .45/.46 caliber suppressors on the market, but it's a lot lighter and tougher.The FLY 45 ships with a .578-28 piston and the booster basket (which adapts the booster threads to HUB). For high temperature durability, we are using specially-made 17-7 wave springs in the booster. It is compatible with the Rugged/Griffin/SilencerCo/TBAC standard pistons.You can remove the booster and booster basket assembly and you're left with an industry-standard 1.375x24 "HUB" rear mount. This allows use on any compatible HUB mounting system. We also have a "CB2HUB" adapter to fit on our CB muzzle devices.Features:100% titanium body construction"Tubeless" constructionHard-use / full-auto ratings for 9mm and .45 ACP360-degree fully-welded baffle core.300 Blackout, Subs and Full power rated