GDM® 45 Suppressor
The GDM® 45 is part of Guardian Defense Mfg’s handgun/multi-cal suppressor lineup — a modular suppressor platform designed to balance sound suppression, durability, weight, and mounting flexibility across handgun and straight-wall rifle platforms.
Manufactured entirely in-house at our family- and veteran-owned facility in Dayton, Ohio, the 45 is built for shooters who demand uncompromising quality in a compact, adaptable form factor.
At 7.125 inches long and 10.5 ounces, the 45 minimizes added length while maintaining effective suppression across large-bore pistol and straight-wall rifle cartridges. The HUB (1.375×24) interface ensures compatibility with leading mounting systems without locking you into proprietary hardware.
Independent third-party testing validates the GDM® lineup’s real-world performance.
Engineered for Durability & Performance
Constructed from fusion- and laser-welded 6Al-4V Grade 5 titanium, the 45 delivers exceptional strength while keeping weight to a minimum. A high-temperature cerakote coating enhances surface hardness and corrosion resistance for demanding use environments.
The suppressor’s 1.500-inch diameter provides an optimal balance between internal volume and maneuverability.
Modular Mounting & Interchangeability
The GDM® 45 is designed for true multi-role adaptability across platforms.
- Includes .578 × 28 booster assembly
- Removable using the included wrench
- Supports direct-thread and HUB-compatible mounting systems
- Compatible with straight-wall rifle cartridges and big-bore pistols
- Allows fast reconfiguration without specialized tools
This system provides flexibility, longevity, and serviceability without compromise.
Manufactured In-House
Every GDM® suppressor is:
- Designed
- Machined
- Welded
- Assembled
- Packaged
In-house in Dayton, Ohio.
All GDM® suppressors are backed by a lifetime defect warranty, ensuring long-term confidence in your investment.
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