The JK G.O.A.T HF (High Flow) from JK Armament is a high-performance suppressor designed for the 5.56 NATO, supporting full-auto fire on barrels as short as 7.5 inches. This mission-configurable suppressor, made from 17-4 stainless steel and Grade 5 titanium, boasts advanced noise reduction and low backpressure. With a compact design of 3.3 inches and 4.4 ounces, it s ultra-lightweight but can extend up to 7 inches for maximum sound suppression. Enhanced baffle and cap designs improve muzzle signature reduction, and the new JK Taper Mount allows compatibility with ASR-spec muzzle devices. Included (1) JK 155 PRO XL Taper Mount (1) JK 155 PRO 2.5 Tube (1) JK 155 GOAT HD Rifle Baffle (4) JK 155 GOAT PRO Rifle Baffle (1) JK 155 PRO G.O.A.T HF (High Flow) End Cap Specifications Length : 3.3 - 7 (Configurable) Length No Mount: 2.8 - 6.5 (Configurable) Diameter : 1.55 Color : Armor Black Material: 17-4 Stainless Steel & Ti-6AL-4V Titanium (Grade 5) Coating : Armor Black C-192 Cerakote Minimum Barrel Length: 223 REM / 5.56 NATO: Full-Auto 7.5