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The Twilight Siege 16-inch AR-15 .458 SOCOM Rifle Upper Build Kit by Davidson Defense is engineered for durability and precision, making it suitable for tactical applications and recreational shooting. This kit features a 16-inch "Skiff" barrel crafted from 4150 Chrome Moly Vanadium, finished with a nitride treatment for enhanced longevity. The SOCOM profile barrel, with a 1:14 twist rate and 5/8×32 thread pitch, comes equipped with a KAK .458 compensator.

Constructed with a stripped upper receiver made of 7075-T6 forged aluminum and finished in anodized black, this upper build kit ensures reliability under demanding conditions. The 0.936 gas block size and carbine-length gas system facilitate smooth operation. The handguard, made from 6061-T6 aluminum in a sleek black M-Lok style, adds a tactical edge while maintaining a lightweight design. This high-performance build kit aligns with the needs of the discerning gunsmith who values freedom and functionality.

Specifications

Caliber: .458 SOCOM

Barrel Name: "Skiff"

Barrel Length: 16 inches

Barrel Material: 4150 Chrome Moly Vanadium

Barrel Finish: Nitride

Barrel Profile: SOCOM

Barrel Twist Rate: 1:14T

Barrel Thread Pitch: 5/8×32

Gas Block Size: 0.936

Gas System Length: Carbine

Upper Receiver Name: Stripped Upper Receiver .450/.458, Large Ejection Port

Upper Receiver Material: 7075-T6 Forged Aluminum

Upper Receiver Finish: Anodized Black

Handguard Material: 6061-T6 Aluminum

Handguard Color: Black

Handguard Style: M-Lok

Muzzle Device: KAK .458 Compensator 5/8-32

Muzzle Thread Pitch: 5/8×32

To view the most up-to-date shipping times Click HERE. To view Warranty, Returns, Terms & Restrictions Click HERE.

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