The Ronin 8.5-inch Pistol-Gas 1:9 .300 BLK AR-15 Complete Upper Build from Davidson Defense is engineered for performance and reliability. Chambered in .300 Blackout, it features an 8.5-inch heavy-profile barrel crafted from 4150 Chrome Moly Vanadium with a parkerized finish. The barrel's 1:9 twist rate and 5/8x24 thread pitch optimize ammo compatibility. Utilizing a pistol gas system, this upper assembly includes a micro low-profile gas block for optimal gas flow.
The upper receiver is constructed from 6061-T6 billet aluminum, finished with Type III hard coat anodization for durability. A 9.25-inch M-Lok free-float handguard offers versatility for accessory attachment, also crafted from 6061-T6 aluminum and finished in black. A steel flash can muzzle device ensures performance without flash signature, making this upper build a practical choice for those who value freedom in their firearms setup.
Caliber: .300 Blackout
Barrel Length: 8.5"
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized
Barrel Profile: Heavy
Barrel Twist Rate: 1:9
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Pistol
Handguard Name: 9.25" MLOK Free Float Handguard
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Free Float
Upper Receiver Name: Black Diamond Series AR-15 Billet Upper Receiver No Forward Assist
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Gas Block Name: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.75
Muzzle Device: Steel Flash Can Design
Muzzle Thread Pitch: 5/8x24
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Name: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
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