CAM-LOK® Universal 1/2x28 Direct Thread Adapter

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The CAM-LOK® (Covert Application Mount - Locking) is a universal QD piston system comprised of two parts, the male barrel adapter and the female piston OR now available, the CAM-LOK® Universal Direct Thread Adapter.  This product page is for the CAM-LOK® Universal Direct Thread Adapter (bronze colored part that is installed in suppressor). 

This CAM-LOK® Universal Direct Thread Adapter allow you to convert 1/2x28 threaded suppressor to receive CAM-LOK™ barrel adapters

The Griffin Armament CAM-LOK® interface affords the user the ability to convert the suppressor to a much faster and more secure mounting solution on fixed barrel pistols. This system provides a rapid, secure attachment to the host pistol.

The CAM-LOK® Universal 1/2x28 Direct Thread Adapter has a .350" diameter bore, .32cal is the maximum caliber supported with this adapter. 

  • 17-4 Stainless Steel H900 treated
  • Compatible with CAM-LOK™ barrel adapters 
  • Patent Pending Design
  • Wrench flats for easy installation
  • Inside taper locks direct thread adapter onto barrel adapter

Additional Details

.32 ACP
Thread Pitch:
Type Of Part:
Muzzle Device


6 Reviews

  • 5
    Griffin armament

    Published by Christopher Mack on 23rd Jun 2022

    Big shout out to everyone there, great product, fast shipping, love my optimus!

  • 5
    Great little product.

    Published by A Smith on 31st May 2022

    A total game changer and wish I would have come across these sooner. Much faster than direct thread and smoother than the competitor's product. and in-stock, a big win!

  • 5
    Nice product. Functions perfectly with the complementary barrel adapter. However, the bronze color is too bright and "flashy" for my hunting rifle, so I have painted the outer, exposed surface flat black.

    Published by Tom S. on 24th Jan 2022

    Please offer an optional flat black PVD coating for the outer surface for hunting use.

  • 5
    CAM-LOK 2/2x28 Direct Thread Adapter

    Published by Unknown on 20th Nov 2021

    Bought to use with the mating CAM-LOK muzzle adapter for QD mounting a .22LR silencer. The system is fast and easy to use; and provides a tight, positive fit.

  • 5
    .22 quick attach

    Published by Dylan Myers on 3rd Oct 2021

    I mounted this on a .22 can and it works great. It attaches like a 3-lug but has a taper to make it repeatable poi every time.

  • 5

    Published by Patrick on 9th Aug 2021

    Works great! Very versatile. The only downside is the inner hole is .350 of an inch and should be .360 to run 9mm ammo.

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