KAK 358 WIN 19" BARREL, AR-10 COMPLETE UPPER, 15" MLOK

KAK Industry Complete AR10 Upper Receiver 358 Winchester, 19" Barrel, 15" MLOK

• Barrel Length- 19”

• Barrel Material- 416 R Stainless, Blasted Matte Grey

• Chamber- 358 Winchester

• Twist Rate- 1:12

• Muzzle Device- KAK 458 Hardened Flash Hider 5/8-24

• Gas System- Rifle length

• Gas Block- Lo profile .750 Nitride Finish

• Charging Handle- Enhanced Large Billet Latch

• Upper Receiver- Billet 

• Handguard- MLOK 15”, High Quality 6061 T6 Material with Proprietary Clamping Tri-lug System and Heavy-Duty Barrel Nut

• High Rail Height

BCG

• Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride Finish by H&M
• Bolt- Dual Ejector, machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d
• Firing pin is machined from 8740, precision ground, and chrome plated
• One Piece Billet Fully Machined Enhanced Extractor, Phosphate coated for Increased reliability and corrosion resistance
• Nitride Cam Pin
• S7 tool steel ejectors and extractor retaining pin
• 4130 Gas Key, nitride, precision staked using our hydraulic staking machine
• KAK Carrier Key Screws- Grade 8, Properly Heat Treated

All KAK complete upper receivers are test fired for feed and function using commercially loaded ammunition