This Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit from Davidson Defense features a robust 10.5-inch barrel made from 4150 Chrome Moly Vanadium, with a 1:8 twist rate and M4 profile. The barrel is finished with a phosphate coating and equipped with a 0.75-inch gas block shelf, utilizing a carbine-length gas system for reliable function. The upper receiver is constructed from durable 7075-T6 aluminum, anodized for a sleek finish, while the freefloat M-Lok handguard made from 6061-T6 aluminum offers versatile mounting options for accessories. The kit includes an AR-15 TPI GI Birdcage flash hider, complete with a 1/2x28 thread pitch and manganese phosphate finish.
Platform: AR-15
Caliber: 5.56x45mm NATO
Barrel Length: 10.5-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Twist Rate: 1:8
Barrel Profile: M4
Barrel Finish: Phosphate
Barrel Thread Pitch: 1/2x28
Gas System Length: Carbine
Gas Block Shelf Size: 0.75-inch
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Freefloat, M-Lok
Muzzle Device: AR-15 TPI GI Birdcage Flash Hider A2
Muzzle Thread Pitch: 1/2x28
Muzzle Device Finish: Manganese Phosphate
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