Upper
- Barrel Length- 8.625”
- Barrel Material- 41V50 Button Rifled Barrel, Phosphate Finish
- Chamber- 22 TCM
- Twist Rate 1:7
- Muzzle Device Milspec A2 birdcage 1/2-28
- Gas System- Blowback
- 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
- 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
- Weighted 1 Piece BCG, works with all types of hammers, compatible with Colt and Glock Style Magazines
All KAK complete upper receivers are test fired for feed and function using commercially loaded
- Caliber:
- 22 TCM