Thunder Beast Arms Spiro Features The Thunder Beast Arms Corp Spiro is constructed from Haynes 282 a nickel-based superalloy known for retaining strength at the extreme temperatures generated inside a suppressor during rapid or sustained fire. This material choice allows the Spiro to handle demanding shooting schedules in 5.56 and .223 Remington without the baffle degradation that can occur in suppressors built from less heat-tolerant materials. Measuring just 5.30 inches in length and 1.80 inches in diameter the Spiro keeps the suppressed rifle s overall length and weight manageable making it well suited to carbines and shorter barreled rifles where added length matters. The compact footprint does not come at the cost of durability since Haynes 282 construction is built specifically to endure high heat cycling over the suppressor s service life. A black Cerakote finish coats the exterior providing additional protection against the intense heat and carbon fouling that accumulate during extended shooting sessions. The Spiro mounts via direct thread on a 1/2x28 pattern a widely used thread specification that gives shooters a simple dependable attachment method without requiring a separate muzzle device or quick-attach mount. At 15.50 ounces the suppressor adds a reasonable amount of weight to the muzzle end of a rifle without significantly affecting handling or balance. For shooters who want a lightweight heat-resistant suppressor for their 5.56 or .223 Remington rifle with straightforward direct thread mounting the Thunder Beast Arms Corp Spiro is available for sale at GrabAGun. Thunder Beast Arms Spiro Specifications Manufacturer: Thunder Beast Arms Model: Spiro Type: Suppressor Caliber: 5.56 / .223 Rem Material: Haynes 282 Finish: Black Cerakote Mount Type: Direct Thread Length: 5.30 Diameter: 1.80 Thread Pattern: 1/2x28 Weight: 15.50 oz Available At: GrabAGun