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Upper
- Barrel Length: 4"
- Barrel Material: 41V50 Button Rifled Barrel
- Chamber: 9MM NATO
- Twist Rate: 1:10
- Muzzle Device: Milspec A2 birdcage 1/2-36
- Gas System: Blowback
- Upper Receiver: Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec
- Handguard: 2.9", High Quality 6061 T6 Material Mlok with Proprietary Clamping System and Heavy-Duty Barrel Nut
- Charging Handle: Milspec with Enhanced Large Billet Latch
BCG
- One piece BCG
- Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride Finish by H&M
- 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
- S7 tool steel ejector and extractor retaining pin
- 4130 Gas Key, nitride, precision staked using our hydraulic staking machine
- Carrier key screws: Grade 8, Properly Heat Treated and staked
All KAK complete upper receivers are test fired for feed and function using commercially loaded ammunition.
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This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
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