The Inferna 12.5-inch LR-308 .308 Win Pistol Upper Build Kit from Davidson Defense is forged for those who demand relentless performance in a compact form. At its core is the 12.5-inch “Mandrake” barrel, crafted from 4150 Chrome Moly Vanadium with a nitride finish for enhanced longevity and corrosion resistance. Its medium profile and 1:10 twist rate offer dependable accuracy across a range of loads, while the 5/8x24 thread pitch gives you flexibility with muzzle device options.
Anchoring the build is an Aero Precision Stripped M5 (.308) upper receiver—precision-machined aluminum finished in black for a clean, aggressive look. The 10-inch DPMS .308 High Profile M-LOK handguard, made from rugged 6061-T6 aluminum, provides lightweight durability and expansive room for tactical attachments. Combined with a carbine-length gas system and 0.750" gas block journal, the Inferna is a fire-breathing workhorse ready for gunsmiths and shooters who embrace control, power, and freedom in every shot.
Caliber: .308 Winchester
Barrel Name: "Mandrake"
Barrel Length: 12.5 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Profile: Medium
Barrel Twist Rate: 1:10
Barrel Finish: Nitride
Barrel Thread Pitch: 5/8x24
Gas System Length: Carbine
Gas Block Size: 0.750"
Upper Receiver Name: Aero Precision M5 (.308) Upper Receiver
Upper Receiver Material: Aluminum
Upper Receiver Finish: Black
Handguard Name: 10" DPMS .308 High Profile M-LOK Handguard
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Freefloat
Handguard Finish: Anodized
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