KAK Complete AR15 Upper Receiver - 300 Blackout - 4.75" Barrel - 4" MLOK
by Kak Industry
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Upper
- Barrel Length: 4.75"
- 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: Carbine length
- Gas Block: Low profile .750 Phosphate Finish
- Upper Receiver: Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec
- Handguard: 4", High Quality 6061 T6 Material MLOK with Proprietary Clamping System and Heavy-Duty Barrel Nut
- Charging Handle: Milspec with Enhanced Large Billet Latch
- Weight: 2.73#
BCG
- M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection
- Bolt: machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d
- Firing pin: machined to mil-spec from 8740, precision ground, chrome plated
- One Piece Billet Fully Machined Enhanced Extractor, Phosphate coated for reliability
- S7 tool steel ejector and extractor retaining pin
- 4130 Gas Key, precision staked
- KAK Carrier Key Screws - T25 drive, Grade 8, 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 Length: 4.75" Finish: Nitride
Specifications
- Manufacturer:
- Kak Industry
- Category:
- upper-receiver
- Platforms:
- AR-15
- Weight:
- 43.68 oz (2.73 lbs)
- Length:
- 4.8"
- MPN:
- MO-452-1010-004
- Required Component:
- Yes
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