The Janus 20-inch Rifle-Gas 1:10 .308 Win AR-10 Freefloat M-Lok Handguard Rifle Upper Build Kit from Davidson Defense is engineered for performance and compatibility. This kit features a 20-inch medium-profile barrel made from 17-4 stainless steel, treated with a black nitride finish for durability. The barrel has a 1:10 RH twist rate and utilizes a rifle-length gas system, ensuring reliable cycling and accuracy. The upper receiver is crafted from 7075-T6 aluminum with a type II hard coat anodized finish, compatible with standard 308 lower receivers.
Included is a low-profile, ultra-lightweight M-Lok handguard that allows for easy attachment of accessories while maintaining a free-float design for improved precision. The kit also features a micro low-profile gas block, a 5/8x24 muzzle thread pitch, and a GI Birdcage flash hider. This complete build kit is ideal for gunsmiths who value quality and performance in their firearm configurations.
Caliber: .308 Win
Barrel Length: 20-inch
Barrel Material: 17-4 Stainless Steel
Barrel Thread Pitch: 5/8x24
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:10
Barrel Gas System Length: Rifle
Upper Receiver Name: DPMS Style LR308 Low Profile Upper Receiver, Forward Assist Compatible
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Type II Hard Coat Anodized
Handguard Material: Unknown
Handguard Color: Black
Handguard Style: Low Profile Ultra Lightweight Thin MLOK System Free Floating Handguard
Gas Block Name: Micro Low-Profile Gas Block for .750 O.D Barrel Steel
Gas Block Size: 0.750
Gas Block Material: Steel
Gas Block Finish: Phosphate
Muzzle Device Name: AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
Muzzle Device Finish: Manganese Phosphate
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