Chamber: .223 Wylde. Barrel: 13.9”, 14.5”, 16”, mid-length gas system. Pinned and welded muzzle device to exceed 16.0 in. total overall length as needed. Heavy profile, 416-R stainless steel, gun-drilled and reamed in 5R rifling and 1:8” twist. Stress relieved, precision air gauged. Dual Taper Lock (DTL) system secures and centers the barrel. Quantum-series lower receivers use patented Presslock technology with linear compression pad for a tight, rattle-free fitment, no carrier tilt. Handguard: 7-side M-LOK compatible. Stryker ambidextrous charging handle. Weight: 6.875 lbs. Black anodized is standard receiver color; several other colors are $50-$75 upcharges. Many options for gas block, charging handle, triggers, etc. SEE POLITICAL PANIC PRICING.