Thunder Beast Arms SPIRO 6mm/.243 Suppressor 5.9" - Haynes 282 - HUB Mount - Full-Auto Rated - Low Back Pressure The SPIRO is a low back pressure gas-gun suppressor designed for 6 ARC, but also accommodates .243 WIN and 6 Creedmoor. Dedicated 6mm/.243 version provides excellent sound suppression levels at both muzzle and shooter's ear. Made from Haynes 282, a nickel-chromium-cobalt-molybdenum "Super Alloy"-stronger than Inconel 718 and exceeds Inconel's operating temperatures by about 500 degrees F. Makes the SPIRO almost indestructible. Rated for over 20 SOCOM SURG test cycles using 8" barrel. HUB mount interface (1.375x24 tpi standard, aka "Bravo"). Thread End to First Baffle distance 1.6". No mount included with HUB version. 5.9" length. 5.3" length added to weapon. 1.8" OD. 15.5 oz. Black Cerakote finish. "Go To War" suppressor designed for extreme duty and full-auto firing schedules. Delivers same accuracy expected from TBAC when shot on accurate carbines or bolt guns. SPIRO in Latin means "To Breathe." Dedicated 6mm/.243 Version Dedicated 6mm/.243 version designed for 6 ARC, also accommodates .243 WIN and 6 Creedmoor. The dedicated bore diameter optimizes suppression performance for 6mm cartridges. Haynes 282 Construction Made from Haynes 282, a nickel-chromium-cobalt-molybdenum "Super Alloy." Stronger than Inconel 718 and exceeds Inconel's operating temperatures by about 500 degrees F-makes the SPIRO almost indestructible. Full-Auto Rated HU/FA/1 Rated for over 20 SOCOM SURG test cycles using 8" barrel. Hard-Use/Full-Auto Mod 1 category exceeds worst-case application of assault rifles and battle rifles. The suppressor itself withstands the rating; HUB mounting system security is user responsibility. Low Back Pressure Design Low back pressure gas-gun suppressor reduces gas blowback to shooter. The design minimizes cyclic rate increase while maintaining excellent sound suppression at both muzzle and shooter's ear. HUB Mount Interface HUB interface (1.375x24 tpi standard, aka "Bravo") provides user flexibility for preferred mounting system. Thread End to First Baffle distance 1.6". No mount included-advanced users responsible for proper HUB mounting system selection and installation. 5.9" Length 5.9" overall length adds 5.3" to weapon. The compact dimensions balance suppression performance with manageable overall weapon length for gas guns and bolt actions. 15.5 oz Weight 15.5 oz weight maintains lightweight profile. The Haynes 282 construction provides extreme durability at reasonable weight for extended shooting sessions. Minimum Barrel Lengths Minimum barrel lengths for 6mm/.243 SPIRO: Any length for 4.6x30 HK, 5.7 FN; 8" for .223, 5.56mm, 5.45 Russian; 12.5" for 22 ARC, 224 Valkyrie, 6 ARC (including high-pressure 80kpsi variants); 18.0" for .22-250, 22 Creedmoor, .243 WIN, 6 Creedmoor, 6GT. Ratings at maximum operating temperature-suppressor may accommodate shorter barrels if temperature controlled. HUB Interface User Responsibility HUB version meant for advanced users familiar with HUB-compatible mounts. User responsible for proper mounting system selection, installation, and security. Must properly fix HUB mount into suppressor (Loctite #272 recommended), use intrinsically secure mounting adapter system when hot, and properly secure muzzle device (Loctite #272 recommended). Accuracy Performance SPIRO delivers same accuracy expected from TBAC when shot on accurate carbines or bolt guns. The precision construction maintains point of impact consistency. Black Cerakote Finish Black Cerakote finish provides corrosion resistance and heat dissipation. The finish maintains appearance under extreme duty firing schedules. The Thunder Beast Arms SPIRO 6mm/.243 delivers low back pressure suppression-Haynes 282 with HUB interface for extreme duty 6 ARC and precision rifle capability. Specifications: Manufacturer: Thunder Beast Arms (TBAC) Model: SPIRO 6mm/.243 Caliber Rating: 6 ARC, .243 Winchester, 6 Creedmoor Additional Compatible Calibers: 6GT, 22 ARC, 224 Valkyrie, .22-250, 22 Creedmoor, .223, 5.56mm, 5.45 Russian, 4.6x30 HK, 5.7 FN Material: Haynes 282 (Nickel-Chromium-Cobalt-Molybdenum Super Alloy) Length: 5.9 inches Length Added to Weapon: 5.3 inches Diameter: 1.8 inches OD Weight: 15.5 oz Finish: Black Cerakote Mount: HUB Interface (1.375x24 tpi, 1.6" TE to First Baffle) Mount Included: No (HUB Version) Durability Rating: Hard-Use/Full-Auto Mod 1 (HU/FA/1) Full-Auto Rating: 20+ SOCOM SURG Cycles on 8" Barrel Performance: Low Back Pressure Use: Gas Guns, Hard-Use, Full-Auto, Bolt Actions Minimum Barrel Length (6 ARC): 12.5 inches (including High-Pressure 80kpsi variants) Minimum Barrel Length (.243 WIN, 6 Creedmoor, 6GT): 18.0 inches Warranty: TBAC Limited Lifetime Warranty Patent Status: Subject to One or More US Patents Pending Minimum Barrel Length Table (6mm/.243 SPIRO): Any Length: 4.6x30 HK, 5.7 FN 8" Minimum: .223, 5.56mm, 5.45 Russian 12.5" Minimum: 22 ARC, 224 Valkyrie, 6 ARC (including High-Pressure 80kpsi variants) 18.0" Minimum: .22-250, 22 Creedmoor, .243 WIN, 6 Creedmoor, 6GT HUB Interface Disclaimer: The HUB interface version is for advanced users familiar with HUB-compatible mounts. User is responsible for proper mounting system selection, installation, and security. Thunder Beast Arms is not responsible for damage caused by another manufacturer's HUB mount system. Proper installation requires Loctite #272 on HUB mount threads and muzzle device threads. Use intrinsically secure HUB mounting adapter system when hot and under heavy firing schedules.