Q The FIX Barrel Assembley 12in 8.6 BLK 1-3 Twist Light Profile. COMMON FEATURES & SPECS MATERIAL: Stainless Steel 416R RIFLING: Button Cut MUZZLE: 5/8-24 and M18-1.5 Tapered Muzzle FINISH: Bead Blasted Matte Finish Specifications for Q The Fix 8.6 BLK Threaded Barrel Assembley: Manufacturer: Q Color: Silver Finish: Anodized Caliber: 8.6mm Blackout Projectile Caliber: .338 Caliber Barrel Material: Stainless Steel Barrel Twist Rate: 1-3 Barrel Profile: Light Threads per Inch: 5/8x24 Gun Make: Q Gun Model: Q The Fix Fabric/Material: Stainless Steel Package Contents: Q The Fix 8.6 BLK Threaded Barrel Assembley What firearm models does the manufacturer say Q The Fix 8.6 BLK Threaded Barrel Assembley is compatible with? The manufacturer suggests that Q The Fix 8.6 BLK Threaded Barrel Assembley is compatible with Q The FixQ ACC-FIX-BARREL-8.6-12IN: The FIX Barrel Assembley 12in 8.6 BLK 1-3 Twist Light Profile