The Ronin Competition 18-inch Rifle-Gas 1:7.5 6MM ARC AR-15 Complete Upper Build from Davidson Defense is engineered for precision and performance. The 18-inch barrel, crafted from durable 4150 CrMoV material, features a government profile and a nitride finish, ensuring longevity and resistance to wear. It has a twist rate of 1:7.5, optimizing stabilization for the 6MM ARC cartridge.
The rifle gas system is designed for reliable cycling, equipped with a steel micro low-profile 0.750" gas block and a standard AR-15 TPI GI birdcage flash hider. This upper build utilizes a freefloat M-Lok handguard made of 6061-T6 aluminum, allowing for versatile accessory mounting while maintaining a lightweight profile. The upper receiver, also constructed from 6061-T6 billet aluminum, features a Type III hard coat anodized finish for enhanced protection. Complete with a mil-spec quality AR-15 M4 charging handle and a QPQ nitride complete bolt carrier group, this upper assembly is ready for reliable performance on the range or in the field.
Caliber: 6mm ARC
Barrel Length: 18-inch
Barrel Material: 41V50 CrMoV
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Rifle
Barrel Finish: Nitride
Barrel Profile: Government
Barrel Twist Rate: 1:7.5
Gas Block Name: Steel Micro Low-Profile Gas Block
Gas Block Size: 0.750"
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Muzzle Device: AR-15 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
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