Davidson Defense Suppressor Ready Lifeline w/BTR Brace 5-inch 1:16 45ACP AR-45 Freefloat M-Lok Handguard Pistol Full Build Kit

Suppressor Ready Lifeline w/BTR Brace 5-inch 1:16 45ACP AR-45 Freefloat M-Lok Handguard Pistol Full Build Kit

This complete AR-45 pistol build kit delivers everything needed to assemble a .45 ACP platform except the serialized lower receiver. The 5-inch suppressor-ready barrel features a 1:16 twist rate optimized for .45 ACP ammunition, while the freefloat M-Lok handguard provides accessory mounting flexibility. Magpul BTR brace and mil-spec components ensure reliable function and comfortable handling.

Key Features

• 5-inch 4150 CrMoV barrel with .578x28 suppressor-ready threading and 1:16 twist rate
• Freefloat M-Lok handguard for accessory mounting and consistent barrel harmonics
• Magpul BTR pistol brace in black for standard mil-spec buffer tube compatibility
• PCC bolt carrier group in 9310 alloy steel with nitride finish for .45 ACP reliability
• Complete mil-spec lower parts kit, buffer tube, buffer, recoil spring, castle nut, and end plate included
• Type 3 Class 2 hardcoat anodized upper receiver in 6061-T6 aluminum

Perfect For

• Shooters building their first AR-45 pistol platform
• Suppressor-ready builds in .45 ACP
• Pistol caliber carbine enthusiasts seeking quality components
• Builders wanting a complete kit minus only the serialized lower receiver

Suppressor Ready Configuration

This kit ships with all components necessary for a suppressor-ready setup. The 5-inch barrel includes .578x28 threading to accept standard .45 ACP suppressors. Builders can configure the final setup based on their specific suppressor choice and local requirements. The freefloat design maintains barrel consistency regardless of handguard mounting.

M-Lok Accessory Mounting

The 4-inch freefloat M-Lok handguard allows direct mounting of tactical accessories without affecting barrel harmonics. M-Lok slots provide multiple mounting positions for lights, lasers, and grips. The slim barrel profile pairs with the handguard for a balanced, compact pistol configuration.

Mil-Spec Reliability

All components meet mil-spec standards for durability and compatibility. The 9310 alloy steel bolt carrier with nitride finish resists wear and corrosion. The complete lower parts kit, mil-spec buffer tube, and standard carbine recoil spring ensure consistent cycling and reliable function across .45 ACP ammunition types.

Magpul BTR Brace Integration

The. Magpul BTR pistol brace mounts to the included mil-spec buffer tube for secure attachment. The brace design provides wrist support and control during shooting. Standard mil-spec compatibility ensures straightforward installation without modification.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable laws. Verify suppressor compatibility before mounting. Ensure secure mounting before operation. May. Dropship from. Davidson. Defense.