This Aegis w/Gauntlet Arms Stock 16-inch Carbine Upper Build Kit from Davidson Defense features a 16-inch 4150 Chrome Moly Vanadium barrel with a medium profile and a nitride finish, ensuring durability and performance. The barrel's 1:7 twist rate suits a variety of ammunition types, while the carbine gas system guarantees reliable operation. Constructed from 7075-T6 aluminum, the upper receiver is anodized for added resilience. The freefloat M-Lok handguard, made from 6061-T6 aluminum in black, provides a lightweight and modular platform for attachments. The upper also includes an 8620 alloy steel bolt carrier group with a nitride finish, Mil-Spec charging handle, and a GI Birdcage flash hider.
Platform: AR-15
Caliber: 5.56x45mm NATO
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Length: 16 inches
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Carbine
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Muzzle Device: GI Birdcage Flash Hider
Muzzle Device Finish: Manganese Phosphate
Muzzle Thread Pitch: 1/2x28
Gas Block Size: 0.75
Bolt Carrier Material: 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Charging Handle: AR-15/M4 Charging Handle, Mil-Spec
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