KAK Complete AR15 Upper Receiver 300 Blackout 8.5in Barrel 7.2in M-LOK Handguard
by Kak Industry
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Upper
- Barrel Length: 8.5"
- Barrel Material: 41V50 Button Rifled Barrel, Nitride finish
- 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 0.750 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
Specifications
- Manufacturer:
- Kak Industry
- Category:
- upper-receiver
- Caliber:
- .300 AAC Blackout
- Platforms:
- AR-15
- Interfaces:
- AR-15 barrel nut patternMuzzle thread: 5/8-24Magpul M-LOK
- Length:
- 8.5"
- Required Component:
- Yes
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