KAK Complete AR15 Upper Receiver - .300 Blackout - 8.5" Barrel -7.2" MLOK
            
            $445.95
            
        
         
            Upper
- Barrel Length-8.5”
 - Barrel Material- 41V50 Button Rifled Barrel, Nitride
 - Chamber 300 BLK
 - Twist Rate 1:7
 - Muzzle Device Milspec A2 birdcage 5/8-24
 - Extension- M4
 - Gas System- Pistol length
 - Gas Block- Low profile .750 Phosphate Finish
 - Upper Receiver- Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec
 - Handguard- 7.2”, High Quality 6061 T6 Material Mlok with Proprietary Clamping System and Heavy-Duty Barrel Nut
 - Charging Handle- Milspec with Enhanced Large Billet Latch
 
BCG
- M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride 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
 - Firing pin is machined to the mil-spec print 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 ejector and extractor retaining pin
 - 4130 Gas Key, nitride, precision staked using our hydraulic staking machine
 - KAK Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated and staked
 
All KAK complete upper receivers are test fired for feed and function using commercially loaded ammunition
- Caliber:
 - 300 Blackout
 - Platform:
 - AR15
 - Category:
 - Upper Receivers, AR-15 Upper Receivers
 - Tags:
 - Length:
 - 8.5"
 - Finish:
 - Nitride