The AnechoX 30 is the lightest, quietest, lowest recoil, user-serviceable compact Titanium multi-caliber suppressor. Weighs 9.1 ounces (with DTA) and measures 6.6 x 1.6 inches. Outstanding performance on 7.62/.308, 30-caliber magnums, or 17 Hornet through 7mm. Uses the X-Baffle Anechoic Chamber System. Comes with titanium 5/8-24 Direct Thread Adapter. Also accepts any industry standard 1-3/8-24 mount. Made of Grade 5 STA 1000 Titanium with 17-4 H900 Stainless blast chambers. Full-auto rated to 50 rounds 5.56/.223. Max bullet diameter .313 inches. Note: If this product is reflected as in-stock it means it's either physically in-stock or allocated and available (serial number is assigned) at my distributor