4-Prong Flash Hider Plan-B Suppressor Mount

The Comstock Armory 4-Prong Flash Hider Plan-B Suppressor Mount is available now from LM Ironwerks, a licensed FFL/SOT dealer in Louisville, Kentucky.

Flash hider compatible with common .900″-24 adapters like the Comstock LPA, Q Plan-B, and Rearden Atlas. The 4-Prong offers the best possible flash performance and features mass shifted tines to prevent the ringing noise that affects many other pronged flash hiders.

• Allows for the quick attachment and removal of suppressors
• High strength 17-4 PH stainless steel
• Durable black nitride finish
• Effectively hides muzzle flash
• Rotationally symmetric and does not need to be timed with shims
• Mass shifted tines to prevent ringing

1/2×28

• Standard 1/2-28 threads for use on 5.56/.223 barrels
• 3/4″ wrench flats for easy installation and removal
• 2.14″ overall length (~1.5″ length added to muzzle)
• 2.3 ounces
• Predrilled for easy pinning and welding on 14.5″ barrels

5/8×24

• Standard 5/8-24 threads for use on 300BLK and 7.62 barrels
• 13/16″ wrench flats for easy installation and removal
• 2″ overall length (~1.36″ length added to muzzle)
• 1.9 ounces

Some suppressor companies do not warranty their products when used on aftermarket mounts or muzzle devices. Always check bullet stabilization before attaching a suppressor and always use an alignment rod to ensure the suppressor system is set up correctly. Comstock Armory will not be held liable for injury, death, or damage resulting from the use or misuse of this product.

Before pinning and welding any muzzle device, confirm it reaches 16″ on your barrel.

This muzzle device is NOT compatible with 9mm firearms.

Buying the Comstock Armory 4-Prong Flash Hider Plan-B Suppressor Mount from LM Ironwerks

It ships directly to the address you enter at checkout, so no dealer transfer is needed. In addition, our team reviews every order before it ships. Have a question about fit or compatibility? Contact us before you order and we’ll help. Looking for something different? Browse all of our suppressor parts.