How to Pin and Weld Muzzle Device?

Pining and welding a muzzle device is accomplished by drilling a small opening in the muzzle top bearing gadget (if one does not already exist), inserting a pin into the hole to keep the top muzzle gadget from coming off the screws, and welding the pin in place.

When you hear someone say "pinned and welded," that's exactly what they're referring about. To replace a pinned and welded muzzle device, locate the welded-in pin, drill/mill out the pin but not the barrel screws, and afterward remove the rotating device.

Step by Step: Guide

Step 1: Select a Perfect Muzzle

You should consider both the handrail and the barrel length when selecting a muzzle. Assure the muzzle brake you choose reaches or surpasses the 16-inch standard and helps clear your barrel if you want to utilize one. Other muzzles that guide the explosion upward or forward include flash cans and suppressors.

Step 2: Drill the Hole in the Muzzle

You may use many kinds of equipment; however, we suggest combining a drill machine with a power rotary needle. Drill a hole before installing the muzzle device; this will make working with the brake much easier.

You'll also be able to tell exactly when you've drilled far enough. The pin you pick does not even have to perfectly match, but this should be big enough to fit the pin while remaining tiny enough just to keep it straight.

Step 3: Measure the Pin and Cut It for Welding

For your pin, you could use the tip of an iron hammer or a similar instrument. Insert the punch through the opening, measure the length, then use your tool to cut it out.

Step 4: Installation of Pins to Press It inside the Drilled Position

So that the brake does not spin when the welding covers the pin, the pin must be tightly set in the barrel screws. Next, make a little hole in the muzzle, but don't go too far and drill inside. Put the pin into the little hole you've created until it's secure.

Step 5: Securely Weld the Pi That We Pressed Inside

For connecting properly with the muzzle when welding the pin, you may need to remove the paint off the muzzle. There is a good chance that a tiny bubble will form at the weld spot. You may always sand the bulge downward and repaint it to fit your muzzle and barrel and make the weld practically unnoticeable.

Does Pining and Welding a Muzzle Device Affect Accuracy?

It should not slide or move of out its place at all if properly pinned and welded. So, if the muzzle device doesn’t shift away then there’s nothing to worry about the shooting accuracy. You can have perfect accuracy even after welding the muzzle.

Final Note

Pining and welding a muzzle isn’t very hard of a task to complete. By following our given steps you can simply pin your muzzle device and weld it. Take care of your gun’s barrel and muzzle device carefully.

Last Updated on 2 years by Richard Boyer

  • June 8, 2022
Richard Boyer

Richard Boyer has been a professional welder for over 27 years of his life, and now he is a trainer and blogger providing critical information to anyone interested in welding. He is helping out both hobbyists, novice and professional welders to learn newer and better techniques. Read more about me

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