The Davidson Defense Inferna w/SBM4 Brace 12.5-inch LR-308 pistol full build kit brings the heat with a compact, power-packed setup designed for shooters who demand both muscle and precision. Chambered in .308 Win, this beast features a 12.5-inch “Mandrake” barrel forged from 4150 chrome moly vanadium and treated with a nitride finish to handle the heat and keep firing smooth. With a medium profile, 1:10 twist rate, and a carbine-length gas system paired with a micro low-profile gas block, this build ensures reliable cycling and impressive accuracy.
It’s topped with an Aero Precision 308 M5 upper receiver made from high-profile aluminum and finished in rugged Type III hardcoat anodizing. The 10-inch DPMS .308 M-LOK handguard made from 6061-T6 aluminum adds lightweight strength and tactical style, perfect for mounting all your go-to gear. A steel flash can muzzle device tames the blast, while the SB Tactical SBM4 brace locks in the control and comfort. Whether you’re building for the range or the unknown, the Inferna lights the way for those who build bold.
Product Name: "Mandrake" LR-308 .308 WIN 12.5" Pistol Full Build Kit
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
Gas Block Name: Micro Low-Profile Gas Block for .750 O.D Barrel Steel, Recoil Technologies
Upper Receiver Name: Aero Precision 308 M5 Upper Receiver
Upper Receiver Finish: Type III Hard Coat Anodized
Upper Receiver Material: High-Profile Aluminum
Handguard Name: 10" DPMS .308 High Profile MLOK Handguard
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-LOK
Muzzle Device: Steel Flash Can Design
Muzzle Thread Pitch: 5/8x24
Charging Handle: LR-308 Charging Handle Aluminum, Omega Manufacturing
Charging Handle Color: Black
Bolt Carrier Name: Nitride LR-308 Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Brace Name: SB Tactical SBM4 Pistol Stabilizing Brace
Brace Style: Pistol Brace
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