Technical Specifications: Grade 9 Titanium Tube. 17-4 Stainless Steel Blast Chamber and Blast Baffle. Grade 5 Titanium Baffle Stack. 17-4 Stainless Steel Muzzle Devices (Quick Detach SA30TI only). Length: 8.1 in (Direct Thread, SA30TID), 8.2 in (Quick Detach SA30TI). Weight 13.75 oz (not including muzzle device). Average 27 dB sound signature reduction. Includes: 1 SA30TI Suppressor 1/2 - 28 QD Muzzle Device 5/8 - 24 QD Muzzle Device Minimum Barrel Length Recommendations: .308/7.62 x 51 - 12.5a ^2 7.62A-39 - 10.5a ^2 .223/5.56 - 10.5a ^2 300BLK - 5.5a ^2 NOT COMPATIBLE WITH ANY PROJECTILE OVER .30 CALIBER