12.5″ 5.56/223 AR-15 Upper – 1:7 mid, 4150 CMV Nitride Barrel | Suppressor Tuckable M-LOK (Copy)

12.5″ 5.56 NATO AR-15 Upper – Suppressor-Ready ✅ 12.5″ 4150 CMV Nitride Barrel (1:8 Twist) – Ideal balance of velocity & compact size ✅ 15″ M-LOK Handguard w/ 1.7″ ID – Built for tucked suppressor setups ✅ Mock Suppressor Included – Run it now, swap to your can later ✅ Mil-Spec 7075-T6 Upper – Hardcoat anodized, M4 feed ramps ✅ Anti-Rotation Rail + Full Pic Rail – Solid lockup, full accessory compatibility ✅ Low-Profile Gas System – Reliable cycling, clean setup ✅ 1/2×28 Threads + A2 Flash Hider – Standard muzzle compatibility ✅ Professionally Assembled – In-spec, built by experienced builders 🔥 Optional Test Fire w/ BCG: Add a BCG and we’ll test fire your exact setup before it ships.