The Gemtech Lunar-45 is a modular pistol suppressor designed for .45 ACP use and shipped with a .578-28 piston for direct-thread mounting. The design emphasizes serviceability through a take-apart modular configuration and is rated for full-auto operation. Manufacturer information lists compatibility with several other calibers when used per guidance.

Key Specifications

• Intended for use with .45 ACP ammunition.
• Shipped with a .578-28 threaded piston for direct-thread mounting.
• Features a modular configuration that can be disassembled for cleaning and maintenance.
• Listed as full-auto rated by the manufacturer.
• Compatible with 9mm, .40 S&W (dry only), 10mm (dry only), and subsonic .300 BLK when used according to manufacturer guidance.
• The exterior diameter is listed as 1.375 inches.
• Classified by the ATF under the model name Lunar-45 and type Silencer.
• Intended primarily as a direct-thread pistol suppressor and includes the standard piston for that mount.

The Lunar-45 offers a practical, serviceable option for shooters seeking a modular suppressor platform for .45 ACP applications. Its take-apart design simplifies maintenance and the supplied .578-28 piston supports direct-thread mounting across compatible pistols. For users prioritizing versatility and field-serviceability in a compact package, the Lunar-45 provides a focused feature set without unnecessary complexity.