Function design - Breek Arms Plan B Sentinel Closed Flash Hider

The cage design is great for mitigation of the muzzle flash and having the bottom ports filled prevent the dirt and dust signature when shooting prone still waiting to try the supressor mount with the plan b threads but I have no doubts that will interface with no problem. It dose come with a washer, for me it was to thick to get the right timing so I would recommend having a shim set or a crush washer to install just incase you have the same timing problem I did. It is pre drilled for a pin and weld job also, for anyone that wants to use a 14.5" barrel this flash hider brings it to the legal length once permanently attached to the barrel.