Weighing in at a mere 5.6oz the .22LR DEFCAN-22 brings superior sound suppression to your favorite rimfire cartridges. The scant weight and 1 diameter allow the DEFCAN-22 to be as at home on a handgun as it is on the end of a rifle. – Removable end caps and baffles make user serviceability a cinch for cleanup while baffle indexing marks make for quick reassembly that assures you get optimal sound suppression once it’s reassembled. A hex opening on the front cap allows a 1/4 allen wrench or hex bit to be inserted for easier disassembly in the event any carbon fouls up the threads. – .22 LR Full-Auto Rated – .17 HMR/.22 Mag Semi-Auto Rated – Material: – Rear Cap: 4140 Steel – Tube: Anodized 6061 T-6 Aluminum – Baffles: Heat Treated 17-4 Stainless Steel – Front Cap: Anodized 6061 T-6 Aluminum – Caliber .22 LR – Muzzle Thread 1/2 x 28 – Finish Hard Coat Anodized – Weight 5.6 oz – Length 5.5