Thunder Beast Arms Spiro Features The Thunder Beast Arms Corp Spiro is built from Haynes 282 a high temperature superalloy that resists the heat generated during rapid or sustained fire far better than standard stainless steel. This material choice lets the Spiro handle demanding range sessions and duty style use without the baffles degrading as quickly as they would in a less capable alloy. The black Cerakote finish adds an additional layer of corrosion resistance while giving the can a low visibility non-reflective appearance. Chambered for 5.56 and .223 Rem the Spiro threads onto a 1/2x28 muzzle device through its HUB mount interface. At 5.30 inches long 1.80 inches in diameter and 15.50 ounces the Spiro keeps the rifle balanced and maneuverable rather than adding excessive front end weight. The HUB mount design allows a shooter to swap the suppressor between multiple rifles equipped with compatible mounts cutting down on the need to own a dedicated can for each gun. Thunder Beast Arms Corp has built a strong following among competitive and duty shooters for suppressors that combine light weight with genuine heat resistance. For an AR-15 shooter who puts rounds downrange quickly and needs a can that keeps up the Spiro is a dependable choice for sale at GrabAGun. Thunder Beast Arms Spiro Specifications Manufacturer: Thunder Beast Arms Model: Spiro Caliber: 5.56 / .223 Rem Material: Haynes 282 Mount Type: HUB Mount Finish: Black Cerakote Length: 5.30 Diameter: 1.80 Thread Pattern: 1/2x28 Weight: 15.50 oz Available At: GrabAGun