The KAK Industry Plan B A7 Flash Hider (brand part no. 410-2103-006) is threaded 1/2×28 for .223 Remington/5.56 NATO barrels. It’s built on KAK’s Plan B system, tapering before the threads for repeatable lockup and a proper seal against a Plan B suppressor mount.

Key Specifications

• Threaded 1/2×28.
• Chambered for .223 Remington/5.56 NATO.
• Built as an A7-pattern flash hider.
• Cataloged by KAK as the Plan B A7 Flash Hider.
• Uses KAK’s Plan B mount system, a taper-before-threads design for repeatable lockup.
• Compatible with Plan B suppressor mounts.
• Also functions as a standalone flash hider with no suppressor attached.
• Part of KAK’s broader Plan B muzzle device lineup spanning multiple calibers and thread pitches.

Frequently Asked Questions

What does the taper on a Plan B device do? The taper ahead of the threads seats against a matching Plan B suppressor mount, giving a repeatable, properly sealed lockup.

What caliber is this flash hider for? .223 Remington/5.56 NATO.

Does this work with any suppressor mount? It’s built for KAK’s Plan B suppressor mount system specifically.

Buy the KAK Plan B A7 Flash Hider, 1/2×28

Order the KAK Industry Plan B A7 Flash Hider through our KAK Industry lineup at Schaefer Defense, a Lubbock, TX gun shop, along with more AR muzzle devices.