The Ronin Competition 7.5-inch Stainless Steel Pistol-Gas Build Kit from Davidson Defense is a robust solution for gunsmiths who appreciate firearm freedom. Chambered in 5.56x45mm NATO, this kit features a 416R stainless steel barrel with a government profile and a 1:7 twist rate, optimized for accuracy and stability. The pistol-length gas system includes a micro low-profile gas block for a streamlined build.
Constructed from 6061-T6 billet aluminum, the Black Diamond Series AR-15 upper receiver is Type III hard coat anodized for durability. The freefloat M-Lok handguard, also in black aluminum, offers versatility for attachments. This kit includes a Magpul BTR Pistol Brace, a mil-spec heavy-duty buffer tube, and a nitride-finished 9310 alloy steel bolt carrier. Accompanied by a standard AR-15 carbine recoil spring and an AR-15 1/2x28 TPI GI birdcage flash hider, this full build kit provides everything necessary for an efficient and customizable build.
Caliber: 5.56x45mm NATO
Barrel Length: 7.5 inches
Barrel Material: 416R Stainless Steel
Barrel Twist Rate: 1:7
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Pistol
Barrel Profile: Government
Barrel Finish: Stainless
Gas Block Size: 0.75
Gas Block Name: Micro Low-Profile Gas Block
Upper Receiver Name: Black Diamond Series AR-15 Billet Upper Receiver
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Handguard Material: Aluminum
Handguard Style: M-Lok
Handguard Color: Black
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2x28
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Pistol Brace: Magpul BTR Pistol Brace
Buffer Weight: 3 oz
Buffer Tube: Mil-Spec Heavy-Duty 6-Position Buffer Tube
Recoil Spring: Standard AR-15 Carbine Recoil Spring
Receiver End Plate: AR-15 M16 Mil-Spec Receiver End Plate
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