SPECS : – Diameter: 1.5 – Overall Length: 6.5 – Length Added: 5.1 when using included Minimalist Brake 4.1 when using longer devices – Weight: 11.8 Ounces – Materials: High strength high temperature corrosion resistant 17-4PH Stainless Steel – Attachment: DUAL-LOK Mounts – DB Rating: (135DB) 11.5 Griffin MK1 (134DB) 16 Griffin MK1 – Finish: High Temp Cerakote – Full Auto Rated: Yes – FEATURES : – Utility patents pending – Wear free mounting system requires no consumable parts – Taper lock interface ensures security and accuracy – ACME thread provides speed of attachment – Locking ring incorporates 3 anti-rotation teeth to eliminate inadvertent loosening – 120 effective positions ensure a rock-solid suppressor mount and provide extremely low POI shift – 17-4 stainless steel & 718 Inconel – Laser welded tubeless design – Patent pending flash reducing and flow optimized end cap – DUAL-LOK Minimalist Brake 1/2×28 5.56mm (.22 cal) Included – ¾ wrench flats on muzzle devices – Collar Nitrided black for increased surface hardness corrosion and wear resistance – Suppressor body H900 heat treated and Cerakoted – Perpetual Lifetime Warranty