CAT Outdoors White Bread (Titanium, 1.375x24 HUB). 5.56 NATO suppressor featuring Surge Bypass technology for efficient gas management, reducing sound and felt recoil. DMLS-engineered internal structure channels gases through multiple pressure zones for superior high-frequency noise reduction. 5.45" length, 9.0 oz (Ti) / 13.9 oz (Inconel). 1.60" diameter. Min barrel 10" (Ti) / 8" (Inconel). Optimized for 14" M4 platform. Semi-auto rated. DLC finish. Includes 1/2x28 direct thread mount. 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