The Romenna 12.5-inch LR-308 .308 Win Pistol Upper Build Kit from Davidson Defense is engineered for custom AR platforms, offering a robust assembly for precision shooting. The kit features a "Mandrake" LR-308 barrel with a length of 12.5 inches, crafted from 4150 Chrome Moly Vanadium steel and finished with a nitride treatment for durability. This medium profile barrel has a twist rate of 1:10 and is designed with a carbine gas system for consistent performance.
Additionally, the M-Lok handguard, made from 6061-T6 aluminum, provides a lightweight and sturdy option for accessory attachment. The upper receiver, likely constructed from 7075-T6 aluminum with a black anodized finish, combines strength with a sleek appearance. The included GI Birdcage Flash Hider ensures effective muzzle control. This assembly is designed for gunsmiths who appreciate quality and reliability in their builds.
Barrel Name: "Mandrake" LR-308 .308 WIN 12.5", Carbine Gas, 1-10T, Nitride Medium Profile Barrel
Caliber: .308 Win
Barrel Length: 12.5 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:10
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Carbine
Gas Block Size: 0.75
Upper Receiver Material: 7075-T6 (implied from context)
Upper Receiver Finish: Anodized Black (implied from context)
Handguard Style: M-Lok (from Guntec handguard)
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Muzzle Device: GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
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