New for 2019 the Aeris is a compact lightweight and rugged suppressor designed for performance in a minimal sized package. Machined from titanium and stainless steel the Aeris is incredibly durable for its� size and weight. The patented split-tube makes it extremely easy to service this suppressor. - Calibers: .22LR .17HM2 .22WMR .17HMR & .17WSM - Specs: - 1/2 x 28 Threads - 1 Outside Diameter - Titanium baffles and body - Stainless steel Spilt Tube - 3 oz - 3 Inches - Heat Resistant Utility Pouch & Wrench Included