Modtac U-Rac Suppressor Shield Size 5.0 In Rail Type Ar-15
The Modtac U-Rac Suppressor Shield is a heat-management accessory designed to protect shooters and equipment from suppressor thermal buildup on AR-15 platforms. Built from aluminum and high-temp carbon fiber, this rail-mounted shield uses a free-floating, air-gapped design that reduces peak suppressor temperatures without slowing cool-down—critical for sustained fire or rapid strings. Size 5.0 fits suppressors up to 1.70" in diameter; larger cans require the U-Rac XL variant.
What sets the U-Rac apart is genuine compatibility engineering. It mounts directly to any standard Picatinny rail via a rock-solid quick-disconnect locking system, and it works alongside Unity Tactical FUSION folding front sights and other Modtac rail accessories—no fight for real estate on your upper receiver. Installation is straightforward, and the secure QD mechanism holds fast even under full-auto cycling.
Thermal protection is the core function here. The advanced composite construction delivers an average of 60% or greater heat reduction compared to running a suppressor bare, preventing accidental burns to your support hand, arm, or gear while you're shooting or moving between positions. The air gap between the shield and suppressor body is intentional—it's what keeps things cool while you work. If you're running a suppressed AR for duty, hunting, or distance work, the U-Rac is a practical addition that actually earns its weight on the gun.

