The Five Stone Tactical Plan B 3-prong flash hider in 1/2×28 with a Black Nitride finish is a Plan B-compatible muzzle device built for mounting systems in the Plan B style. Five Stone Tactical precision-machines it from 17-4 PH H900 stainless steel, and the 3-prong design is there to help reduce visible muzzle flash. This Black Nitride variant is threaded for 1/2×28 platforms, so confirm your barrel thread before ordering. It is the right pick for a shooter who wants a clean, compact flash hider that will also accept a compatible Plan B mount when it is time to suppress.

Key Specifications

• The thread pitch is 1/2×28, which must match your barrel for the device to fit.
• The finish is Black Nitride, set by Five Stone Tactical for this specific variant.
• The material is 17-4 PH H900 stainless steel, a high-strength alloy for a muzzle device.
• The design is a 3-prong flash hider. A three-prong layout is the classic flash hider shape, opening the muzzle gases up to cut visible flash.
• The mount interface is Plan B-compatible, so the device works with Plan B-type mounts.
• Installation torque is 33 foot-pounds (45 Nm) with a 13/16-inch wrench, per Five Stone Tactical’s instructions.
• The Five Stone Tactical part number is 610100-B, which identifies this exact thread and finish.

Frequently Asked Questions

What does the 3-prong design do? It is a flash hider designed to help reduce visible muzzle flash, built in a 3-prong layout.

What does Plan B-compatible mean on this device? It is designed for use with Plan B-style mounting systems, so it accepts Plan B-type mounts.

How should the 1/2×28 flash hider be installed? Five Stone Tactical recommends Rocksett adhesive on the barrel threads only, then tightening to 33 foot-pounds (45 Nm) with a 13/16-inch wrench, with anti-seize grease on the muzzle device to mount interface.

Buy the Five Stone Tactical Plan B 3-Prong Flash Hider, 1/2×28 Black Nitride

Pick the thread and finish that match your build, and this flash hider drops into a Plan B system without fuss. See more AR muzzle devices from our Lubbock, Texas gun shop for fast shipping.