To me, this second set of brakes seems more apt to damage a suppressor than to actually help it. This line of thought seems to be opposed to something like a Surefire or AAC brake where there are simply two massive ports to deflect the blast to the sides. Other companies have followed suit, both Q and Griffin offer muzzle devices that seem like they would work as a first baffle in the same way that the KAC devices might. However, the MAMS is different than most brakes-as is the KAC Triple Tap-in that it contains a number of much smaller ports for gas to release. I'm pretty sure that the first time I read the claim that a muzzle brake was better for the long term use of a can was from Kevin Boland, then of KAC, who was speaking about their Multi Axis Muzzle Stability (MAMS). I have also read state that Dead Air feels that there is no difference whatsoever in using a flash hider or muzzle brake on one of their cans. If you ever have questions about your rifle, you are always welcome to call Windham Weaponry Customer Service (Toll Free: 1-85).For years I have heard that muzzle brakes can act as a sacrificial blast baffle/first baffle by lessening the impact of gas and reducing the potential damage done to the can.
Before trying to remove one, be sure that it is not welded on. In the many years I’ve been repairing AR15s I’ve seen a lot of ruined barrels where people tried to remove a pinned and welded brake or flash hider. Note that all of these brakes and flash hiders are pinned and welded on both the top and the bottom We make them with both Vortex Flash Hiders and extended A2 Flash Hiders: These flash hiders have to be non-removable to comply with Federal law regarding SBRs. So our 14.5″ barrels we offer for commercial sale have flash hiders welded on them to bring them to the legal length of just over 16″. Under Federal law any barrel under 16″ is considered a short barreled rifle or “SBR” and you need a $200 tax stamp from the ATF to legally possess a rifle with a barrel under 16″
We also make 14.5″ barrels that have welded flash hiders on them to make the overall length of the barrel 16″. Here is a muzzle brake that is NOT removable: This photo shows an A2 flash hider that is removable: Here’s the difference between a removable flash hider and a brake. If you put a wrench on the brake and force it off it will destroy the threads and also most likely put a stress ring in the bore at the muzzle that will destroy the barrel.
AR MUZZLE BRAKE VS FLASH HIDER PROFESSIONAL
This cannot be done without professional gunsmithing to drill through the welds to get the pins out. Sometimes one of these rifles makes it to a state in which there is no law against having a flash hider and I am asked if the brake can simply be removed with a wrench. For those states we weld on a muzzle brake which is not removable. One of the banned features in those states is a flash hider or barrel threads that you can access. The majority of rifles we build have removable A2 flash hiders but we also build rifles for states that have banned some features of modern sporting rifles. Now and then I get the question “Is my flash hider or muzzle brake removable?”
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