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Complete AR15 Upper Receiver chambered in 7.62x39 with a 4.75 inch barrel and a 4 inch MLOK handguard. Barrel: 4.75, 41V50 button rifled, nitride finish, chamber 7.62x39, twist 1:9.5, 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 inches, 6061 T6 material, MLOK, proprietary clamping system and heavy-duty barrel nut. Charging Handle: Milspec with enhanced large billet latch. BCG: chrome lined phosphate by default, K-SPEC upgrade available. Carrier: M16 Auto Profile Carrier machined from Aircraft/Bearing Quality 8620 steel, heat treated. Bolt: machined from 9310 steel, heat treated, shot peened, MPI. Firing pin: mil-spec, chrome plated. Extractor: One Piece billet extractor, phosphate coated. Ejector: S7 tool steel ejector and extractor retaining pin. Gas Key: 4130 nitride, staked. Carrier screws: T25 drive. All complete uppers are test fired for feed and function using commercially loaded ammunition.
Specifications
- Manufacturer:
- Kak Industry
- Category:
- upper-receiver
- Platforms:
- AR-15
- Weight:
- 8.5 oz
- Length:
- 8.8"
- MPN:
- MO-451-1010-005
- Required Component:
- Yes
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