"The Fix by Q is the biggest step forward in bolt-action rifle innovation since 1962, and is the foundation of what the Q company believes in science and innovation. It is compatible with SR-25 mags.Model: The Fix Caliber: 308 Win Stock Finish: Black Action: Bolt Barrel Length: Range 16"" to 16.99"" Sights None, Optic Ready Capacity 10+1 Muzzle: Cherry Bomb Muzzle Brake Magazine Type: AR-10 Hand: Right Max Capacity: 10 OAL: 35.10""- 36.60"" Receiver Finish: Black Receiver Material: Aluminum Safety: Safety Selector Switch Stock Description: Folding Stock Finish Group: Black Thread Pattern: 1/2""-28 tpi Twist: 1:10""Weight: 6.30 lbs. Barrel Description: Lightweight Barrel Finish: Black Barrel Length: 16"""