Complete Upper Receiver – 5.56 – 12.5″ Barrel Mid Gas- 9.8″ MLOK – Pinned and Welded

KAK Industry 5.56 12.5″ Pin and Weld with extended Flash hiderThis has a pinned and welded muzzle device making it a legal rifle length 16″ URG* Barrel Length- 12.5″ (16″ OAL with pinned muzzle device)* Barrel Material- 41V50 Button Rifled Barrel* Chamber 5.56×45 NATO* Twist Rate 1:7* Muzzle Device- KAK 4″ Extended Flash Hider Pinned and Welded* Extension- M4* Gas System- Midlength * Gas Block- Low profile .750 Nitride Finish* Charging Handle- Milspec with Enhanced Large Billet Latch* Upper Receiver- Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec* Handguard- 9.8″ High Quality 6061 T6 Material Mlok with Proprietary Clamping System and Heavy-Duty Barrel NutBCG-* M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride(TM) Finish by H&M* Bolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d* KAK Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated,Made in the USA