Thread adapter 11/16×24 TPI to thread of your choice – For Marlin, Smith Wesson 1854, .450 Bushmaster…

Our thread adapter 11/16×24 TPI will enable you to convert the thread on your Marlin, Smith Wesson 1854 or AR rifle in .450 Bushmaster to a more usual standard. M16x1, M16x1 LH, 5/8×24 TPI or M18x1, the choice depends on the muzzle brake or suppressor you want.

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Description

A silencer adapter for Marlin, Smith Wesson 1854 or .450 Bushmaster

Our thread adapter 11/16×24 TPI meets the growing demand to transform this rather rare thread into more common ones. You can then mount the suppressor or muzzle brake of your choice on your rifle.

Today, the 11/16×24 TPI is often found on large-caliber lever-action rifles. 44 Magnum, .45-70 SPRG, .45 LC… We’re naturally thinking of Ruger’s recent Marlin productions (the Dark Series, for example), but also the Smith Wesson 1854. Nor should we forget ARs in .450 Bushmaster caliber, which generally use this thread as standard.

So why do we find 11/16×24 TPI on these guns? And not a more common thread? There are two complementary reasons.

  • Firstly, the use of 11/16 leaves more material on the threaded barrel, which is appreciable for its solidity at the muzzle.
  • Secondly, this thread acts as a deterrent for the user, who cannot mount a .45 ACP silencer on a .45-70 ignoring the difference in pressure between the two ammunitions.

Outlet threads of the thread adapter 11/16×24 TPI

Our device converts 11/16 UNEF to the following output threads:

  • M16x1
  • M16x1 LH
  • 5/8×24 TPI
  • M18x1

Insiders will have noticed that the first two are quite common for European-made handguns. So why haven’t we made a thread adapter 11/16×24 TPI to .578×28 TPI ? (The American standard for .45 ACP).

The answer is quite simple: .578×28 TPI has a minor diameter too close to the diameter of the bullet concerned. As a result, a .578×28 TPI adapter bored to 12 mm (.47″) would no longer be thick enough to withstand firing pressure, and would break. That’s why we’ve only selected output threads with a larger minor diameter. Converting, yes, but without risk.

A high-quality custom piece

We sometimes face competition from large-scale machining in certain Asian countries. We would like to remind you that our team is made up entirely of French shooters and gun enthusiasts. We design and manufacture for firearms, keeping in mind all the physical and thermal constraints this implies.

When it comes to raw materials, there’s no question of compromising on quality. We use XC38 (also known as C35) steel with excellent mechanical properties. No haphazard or homemade surface treatment that could affect the longevity of the thread adapter 11/16×24 TPI silent adapter. Each adapter is hot-blued by a French professional surface treatment company.

We rigorously check our adapters at several stages of the manufacturing cycle, and of course before shipment. This enables us to offer a relevant, top-notch solution made in France for the whole world.

Additional information

Weight 60 g
Dimensions 36 × 22 mm
Color

Black

Maximum bullet diameter

.472 in (12 mm)

Accessory thread

5/8×24 TPI, M16x1, M16x1 LH, M18x1

Barrel thread

11/16×24 TPI

Material

Blued steel

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