Gunsmithing

Muzzle Devices & Pin/Weld

Brakes, compensators, flash hiders, and silencer mounts installed the right way: timed to the barrel, shimmed or crush-washered to spec, torqued, and checked for alignment with the bore. Pinned and welded when the law needs it permanent. Removed when the last person's Loctite, or a muzzle device that's rusted onto the threads, has other ideas.

Prices, up front

Every bench service and what it costs, in one searchable list. The final number is confirmed before we touch your firearm.

Timed, torqued, and checked for concentricity

A ported brake that's ten degrees off isn't doing its job, and a silencer mount that isn't square to the bore is how a baffle strike happens. Installation here means the device is timed with a shim set or crush washer, torqued to the maker's spec, and — on anything a can will hang from — checked with an alignment rod so you know the bore runs down the middle. If you bought the device from us, the install is usually free; bring your own and it's a $25 job on the sheet.

Swaps and removals are the other half of the week: a brake off a HUXWRX that won't let go, a thread adapter for a .22 can, a tri-lug onto a 9mm carbine, a piston and booster set up for a pistol. Seized devices come off with heat and the right fixturing rather than a pipe wrench and a vise — the barrel is worth more than the device.

Pin and weld, done to the letter

A muzzle device that's pinned and welded counts toward barrel length, which is what makes a 14.5-inch barrel a legal 16-inch rifle. The ATF standard is a blind pin welded over so the device can't be removed without machining, and that's how it's done here: pin drilled, pressed, welded, dressed flush, and the weld touched up so it doesn't rust. Pin and weld is $75 on the price sheet; removing an existing pin-and-weld first, to swap the device, is more setup and runs $100–150 for the pair.

One line we hold: removing a pinned device from a rifle can leave you with a short-barreled rifle, so we need an approved Form 1, a pistol or brace configuration, or a bare upper before we'll take one off. A bare barrel or upper receiver on its own is just metalwork.

How a muzzle device job runs here

01

Check the thread

We confirm the barrel's pitch and the device's, check the threads for damage, and chase them if they need it — an adapter or a thread repair gets caught here, not on the range.

02

Time and torque

The device is timed with shims or a crush washer, torqued to spec, and checked with an alignment rod where a silencer will mount.

03

Pin and weld, if required

For a 16-inch build, a blind pin is drilled and pressed, welded over, dressed flush, and the fresh metal protected against rust.

Answers

Common questions

Do I need to bring the silencer for a mount install?

It helps. A mount can be timed and torqued without the can, but we'd rather thread the silencer on and check alignment with the rod through the whole assembly, because that's the check that actually matters. If the can is still in jail, bring it by when it's out and we'll confirm it for free.

My muzzle device won't come off. Can you get it?

Yes — that's a weekly job. Rusted-on brakes, Rocksett that set like concrete, a device with the wrench flats rounded off. It comes off with heat, the right fixture, and patience, and we'll tell you honestly if the threads under it need chasing or the device is scrap.

Is pin-and-weld reversible?

Not in the practical sense — that's the point of it. The device can be machined off later, and we do that when a customer moves to a Form 1 or a longer barrel, but it destroys the device and costs more than putting it on did. Choose the device you want to keep before it's pinned.

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