SilencerCo 3-Lug Muzzle Device | 9mm | 1/2×28 | AC2604

The SilencerCo 3-Lug Muzzle Device (AC2604) provides a quick-attach interface for compatible suppressors on 9mm pistols with 1/2×28 threads. It threads onto the barrel to create a 3-lug mounting point and is designed to work only with 9mm 3-lug mounts. This adapter is a fixed-barrel mounting option, intended to preserve barrel alignment and repeatable attachment of a compatible suppressor.

Common applications include use as a suppressor mounting solution for competition or precision pistol work and for range training where fast, repeatable installation of a suppressor is required.

Product Specifications

• The manufacturer is listed as SilencerCo.
• The model is identified as 3-Lug.
• The manufacturer part number is AC2604.
• The caliber/gauge is specified as 9mm.
• The thread pattern is 1/2×28.
• The thread type is listed as 1/2-28.
• The product type is Silencer Adapter.
• The finish is described as Black.
• An additional feature is that it is a 3-Lug Male Adapter.
• Compatibility requires that the 9mm 3-lug muzzle device be used only with 9mm 3-lug mounts.
• Compatible SilencerCo suppressors include Octane Series, Omega K Series, Hybrid 46 (requires Bravo Piston Mount), Hybrid 46M (requires Charlie Piston Mount), and Omega 36M (requires Charlie Piston Mount).
• The listed weight is 0.05.
• The listed height is 0.5, length is 6.5, and width is 4.5.
• The UPC is 816413025154.

This 3-lug adapter is a straightforward solution for shooters who need a quick-attach mounting point on a fixed-barrel 9mm pistol. It preserves a repeatable interface between firearm and suppressor while maintaining simple, robust function. Choose this adapter when you require a purpose-built 3-lug connection for compatible SilencerCo mounts and suppressors.