Thankfully, Loctite can be defeated with heat, usually in the 400-500 degree range. Loctite is the most commonly used way to secure a flash hider to a barrel. Removing a Flash Hider from a Loctite Seal If it doesn’t break loose after attempting to apply a reasonable amount of torque to the barrel, then it’s probably not just screwed on tight and there’s some other force at work keeping the flash hider attached to the barrel. Either way, the goal is to grip the flash hider securely in the wrench and give it some good, hard turns. Whether you choose to use a regular wrench from your toolbox or a purpose-built wrench like the ones found on an AR-15 armorer’s tool is up to you. The simplest way to remove a flash hider is with a wrench. Failure to do so will result in your possession of an unregistered Short Barreled Rifle, which is an NFA item, and you can face serious fines and penalties for this. If you remove a pinned and welded flash hider on a barrel that is under 16 inches, you need to file a Form 1 with ATF and have the approved form in hand before removing it. Most of the time when a flash hider has been pinned and welded, it’s because the muzzle device is being used on a barrel that is less than 16 inches in length and needs the device to bring it up to the legal length. Don’t cut through the threading on the barrel. Remember: you only need to cut through the surface weld. Once the pin is exposed, you can drive it out and then unthread the flash hider from the barrel. You’ll want to apply the angle grinder to the top of the weld and cut through the weld to expose the pin. If you’re adventurous and want to do it yourself, here’s what you need to do. If that’s the case, take it to a competent gunsmith. Some people aren’t comfortable with the idea of taking an angle grinder to their gun. Look at the rear of your muzzle device where it attaches to the barrel and look for a small (3mm-5mm) hole that has been filled with a pin and welded in place. Here are the most common methods used in securing a flash hider:īefore you attempt to remove your flash hider, you’ll first want to identify if it’s been pinned and welded in place.ĭetermining if your muzzle device has been pinned and welded is usually easy to spot with a quick visual inspection. No one way is better than another they’re all just different ways of achieving the same goal. There are a variety of different ways that flash hiders are attached to a barrel. Determine How the Flash Hider was Secured While you could accomplish the same thing by just putting your receiver in a vise, that puts extra stress on the barrel and it could result in breaking, bending, or shearing. It’s recommended that you use a barrel clamp or reaction rod to protect your barrel from any unwanted movement or bending. Secure the Barrel of the Gunīefore you start the removal process, you’ve got to secure your gun barrel so that it’s not moving around on you while you try to remove the flash hider. Removing a flash hider is a fairly simple process, but you’ve got to have the right tools for the job and know what you’re doing in order for the removal to be successful without damaging your gun. There’s a very good chance that if you bought a complete AR-15 from a dealer or even just a complete upper receiver, it’s going to have a flash hider on the end of the barrel.įlash hiders are great muzzle devices, so why would you want to remove one? There are a number of possibilities, including replacement with a different brand or style that suits your needs better, but by and large, the biggest reason for removing a flash hider is so that you can attach a suppressor.
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