This lightweight, user-serviceable .22 Rimfire Silencer features a proven K-Baffle design manufactured from aircraft-grade aluminum. It has excellent sound suppression and works especially well with a handgun host. -Direct thread – 1/2×28 -Tube & End Caps Anodize Black -Rated for .22LR, .17 HMR, .22 Mag -Full Auto Rated Specifications: Weight: 3.4 oz Mount Style: 1/2×28 Caliber (Maximum): Other Baffle Material: Aluminum Baffle Style: K Style Body Material: Aluminum User-Serviceable: Yes Finish: Anodized SKU: 30539