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The Roughneck w/SBA3 Brace 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit from Davidson Defense offers a robust platform for the discerning gunsmith. Chambered in 6.5 Grendel, it features a 12.5" medium-profile barrel made from 4150 CrMoV steel with a nitride finish, ensuring durability and performance. The carbine gas system is paired with a micro low-profile gas block designed for a .750" O.D. barrel.

A 12" free float handguard made of anodized 6061-T6 aluminum provides ample rail space for accessories. The kit includes the Davidson Defense "Panhead" billet upper receiver and a complete AR-15 6.5 Grendel II QPQ nitride bolt carrier group crafted from 9310 alloy steel. The SB Tactical SBA3 adjustable stabilizing brace and complete mil-spec lower parts kit round out this full build kit for a versatile and functional firearm experience.

Specifications

Caliber: 6.5 Grendel

Barrel: 12.5", Carbine Gas, Medium Profile, 1:8 Twist, 4150 CrMoV Steel, Nitride Finish, 5/8×24 Thread Pitch

Gas System: Carbine

Gas Block: Micro Low-Profile Gas Block for .750" O.D Barrel, Steel, Phosphate Finish

Handguard: 12", 6061-T6 Aluminum, Free Float, Black, Anodized

Upper Receiver: Davidson Defense "Panhead" Billet Upper Receiver (NOFA)

Bolt Carrier Group: AR-15 6.5 Grendel II QPQ Nitride Complete BCG, 9310 Alloy Steel, Nitride Finish

Charging Handle: AR-15 M4 Mil-Spec Quality

Muzzle Device: Pershing Steel Flash Can, 5/8×24 Thread Pitch

Pistol Brace: SB Tactical SBA3 Adjustable Stabilizing Brace

Other Components: Complete Mil-Spec AR-15 Lower Parts Kit, Mil-Spec Heavy-Duty 6-Position Buffer Tube

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

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