Griffin Armament Suppressor Revolution 45 Mod 4 Blk
The Griffin Armament Suppressor Revolution 45 Mod 4 is a modular 45 ACP pistol suppressor built on decades of Griffin innovation in the silencer space. This isn't your typical fixed-length can—the Mod 4 redesign gives you the flexibility to run a short 6.56-inch configuration for compact carry or extend to full-size 8.81-inch length for maximum sound reduction and backpressure management. Whether you're shooting a tilt-barrel handgun at the range, hunting with a 45 ACP pistol, or running a suppressed setup on a dedicated host, the Revolution 45 Mod 4 delivers the modularity and real-world usability that working shooters actually need.
The Revolution 45 Mod 4 addresses one of the biggest pain points in pistol suppressor ownership: keeping the can tight and the baffle stack clean. The included EZ-LOK piston and booster assembly locks on more securely than direct thread alone—a major upgrade for high-vibration tilt-barrel guns where suppressor creep used to require constant re-tightening. Griffin's patented CARBON-GARD baffle technology seals each baffle interface and end cap with high-temp silicone O-rings, preventing carbon and lead fouling from building up between the tube and baffle stack. That means easier, less frequent cleaning and zero risk of a carbon-locked baffle core that won't come apart. The tool-less, forward-extension design lets you reconfigure length without special tools, and the permanently installed booster housing means you can tighten and loosen the can without accidentally loosening the mount interface.
Built from 17-4 H900 heat-treated stainless steel baffles and a 7075-T6 aluminum tube body, the Revolution 45 Mod 4 is rated for full-auto fire and measures 1.375 inches in diameter. It ships with an EZ-LOK piston, but you'll need to purchase an EZ-LOK barrel adapter separately to install it on your specific pistol. If you prefer direct-thread mounting, legacy pistons are available. The suppressor is fully user-serviceable, backed by Griffin's perpetual lifetime warranty.
Key Features
- Modular length configuration—switch between 6.56-inch short and 8.81-inch full-size
- CARBON-GARD sealed baffle technology prevents carbon lock and reduces maintenance intervals
- EZ-LOK piston and booster assembly for secure, rapid mounting on tilt-barrel handguns
- Tool-less forward extension for fast, field-friendly reconfiguration
- Permanently installed booster housing eliminates loosening during suppressor tightening
- ECO-FLOW backpressure-reducing baffle design
- Full-auto rated construction
- User-serviceable design with perpetual lifetime warranty
Specifications
| Caliber | .45 ACP |
| Suppressor Type | Pistol |
| Mounting System | 3-Lug EZ-LOK Taper Mount (EZ-LOK piston included) |
| Length (Short Configuration) | 6.56 inches |
| Length (Full-Size Configuration) | 8.81 inches |
| Diameter | 1.375 inches |
| Weight (Short) | 10.2 oz |
| Weight (Full-Size) | 13.3 oz |
| Baffle Material | 17-4 H900 Heat Treated Stainless Steel |
| Tube/End Cap Material | 7075-T6 Aluminum |
| Sound Reduction | -19.3 dB (measured 138.2 dB on HK MK23 .45 ACP) |
| Full-Auto Rated | Yes |
| User Serviceable | Yes |
| Warranty | Perpetual Lifetime |
Frequently Asked Questions
What mounting system does the Revolution 45 Mod 4 use, and what do I need to install it?
The suppressor ships with an EZ-LOK piston and booster assembly and uses a 3-Lug EZ-LOK Taper Mount. To use the included EZ-LOK piston, you must purchase an EZ-LOK barrel adapter separately and install it on your specific host pistol. Legacy direct-thread pistons are also available as an alternative mounting option.
Can I change the length of this suppressor, and how easy is it?
Yes. The Revolution 45 Mod 4 is fully modular and can be configured to either 6.56 inches (short) or 8.81 inches (full-size). The forward extension is designed for tool-less reconfiguration, so you can switch lengths in the field without special tools.
Is the Revolution 45 Mod 4 rated for full-auto fire?
Yes, the Revolution 45 Mod 4 is rated for full-auto fire and is built from full-auto-rated materials and construction.
How often do I need to clean this suppressor, and what makes it easier to maintain?
The CARBON-GARD sealed baffle technology uses high-temperature silicone O-rings at each baffle interface and end cap to prevent carbon and lead fouling from building up between the tube and baffle stack. This eliminates the risk of carbon lock and vastly increases maintenance intervals. The suppressor is fully user-serviceable and disassembles without tools.

