Booster Assembly

Booster Assembly


Recoil Booster Assembly, silencer adapter for semi auto pistols.


Non-Standard Size

If you are ordering a non-standard size, please input size requested below ($75.00 will be added to your order). If your desired thread size is too atypical or there is some other issue, you may be contacted for a quotation, as the $75 surcharge may not cover all operations.
Leave this field blank if you are ordering one of the standard sizes.

Host Firearm and Caliber

What firearm, caliber and Length of threads are we looking at for your custom application? This is optional data for the custom thread section, but will help us better serve your needs if we have it.

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This device is our version of the Nielsen Device, and will mount the Mystic X, Cosmic, Infiniti X or Centurion to a pistol with a tilting or reciprocating barrel. The Booster is the only firearm silencer adapter that will allow your pistol to cycle while shooting suppressed, since it decouples the suppressor from the host weapon during the firing sequence. This device is backwards compatible with the Mystic and Infiniti silencers as well.

Please do not use this device on centerfire rifle caliber applications. It will irreparably damage this unit and is not covered under warranty. It is designed for handgun use in lower energy – pistol calibers only. Thank you.

  • Note: We’ve recently seen an issue with Ed Brown barrels in .45 ACP where they are threaded slightly too large causing fitment issues with standard .578×28 tpi pistons. 6 JUNE 2016

Booster Housing Fitment Specs Click Here

Additional information


1/2-28 9mm Caliber, 13.5x1MM LH 9mm Caliber, 16x1MM LH .45 Caliber, .578×28 .45 Caliber, 9/16-24 .40 Caliber, Non-Standard (input below)


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