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CMMG

CMMG PS90 Thread Adapter (M12x1.0 LH to 1/2x28)

Thread adapter that converts the CMMG PS90 SBR barrel's M12x1.0 LH muzzle thread to standard 1/2x28 RH for suppressor mounting.

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Quick Specs

Price
$70
Weight
N/A
Brand
CMMG
Category
muzzle-device

Features

  • M12x1.0 LH input (CMMG SBR PS90 barrel)
  • 1/2x28 RH output (standard 5.7x28 suppressors)
  • Adapter for CMMG-converted PS90 SBR builds only

Capability Boosts

Suppression+1

Recommended For

Outdoor Defense
suppressed shooting
suppressed use
suppressor host

Where to Buy

Compare current prices and availability from retailers we work with.

Optics PlanetBest available

CMMG, Inc Thread Adapter, PS90, 57DA53A

$71.99
In stock
2d ago
View offer

Compatibility Tags

family: bullpupplatform: fn-ps90caliber: 5.7x28thread: 1/2x28

Overview

The CMMG PS90 SBR conversion barrel uses an M12x1.0 left-hand metric muzzle thread, which is non-standard for the US suppressor market. This adapter from CMMG converts that proprietary thread to 1/2x28 right-hand so any 5.7x28-rated suppressor can mount direct-thread.

This adapter is needed only on CMMG-converted PS90 SBR builds. The Shaw 10.4-inch barrel ships with native 1/2x28 threads, and the Dorin shroud exposes 1/2x28 on the factory 16-inch barrel; neither needs this adapter. If you are running the CMMG kit specifically, this $70 adapter is the gateway to suppressor compatibility.

Key Features

  • M12x1.0 LH input matches CMMG PS90 SBR barrel
  • 1/2x28 RH output accepts standard 5.7x28 suppressors
  • Required only on CMMG-converted PS90 SBR builds

Pros

  • +Unlocks the entire 1/2x28 suppressor market on the CMMG SBR PS90
  • +Compact precision-machined adapter

Cons

  • Only needed on CMMG SBR PS90 builds
  • Adds a thread junction at the muzzle
  • Shaw barrel is the cleaner path for new SBR builds

Detailed Specifications

inputThread
M12x1.0 LH
outputThread
1/2x28 RH
compatibility
CMMG PS90 SBR barrel only
manufacturer
CMMG

Compatible Platforms

Pairs Well With

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