CAM-LOK® Pistons (for tilt barrel pistols)

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The CAM-LOK® (Covert Application Mount - Locking) is a universal QD piston system comprised of two parts, the piston, and the barrel adapter.  This product page is for the piston (bronze color part that is installed in the suppressor).

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 browning style action (tilt barrel) pistols vs it's legacy technology, single piece, direct thread piston counterparts.  This system provides a rapid, secure attachment to the host pistol.  Direct thread single piece pistons have several negative attributes.  They do not accept tools, and are hand tightened to the host firearm. As a result of hand installation, they loosen when the piston system reciprocates under slide cycling during the firing sequence.  This vibration and inadvertent loosening of pistol silencers, requires end users to constantly check tighten pistol silencers.  This periodically causes users to have "bad range days" with unforeseen baffle strikes and end cap strikes.  These unfortunate events cause logistically burdensome work for consumers to communicate with service departments, ship products back and forth, and sometimes assume charges for repair for these issues.

No longer do users need to worry about their pistol suppressors loosening during use (as with traditional fixed direct thread pistons).  The CAM-LOK® system supports a 3/4" socket wrench for installation with prevailing torque, and features a taper lock system, which encourages secure attachment, despite the piston still actuating for and aft during the firing sequence.  The piston can be attached / detached in any one of three, 120 degree positions, ensuring there are no "false positive" interfacing positions to slow deployment of the suppressor onto the host firearm.  Additionally, the manufacturing accuracy of the interface is held to Griffin Armament's high quality standards for squareness, and concentricity, ensuring that each mounting position has similar and minimal POI shift influence. To support this, the mating pistons have all mating diameters and interfacing geometry qualified in a single operation, for tool quality accuracy and perfection.  A similar manufacturing theory was applied to the barrel adapter for maximum alignment accuracy.

End users benefit from being able to attach their silencer to various adapter interfaced host firearms, without having to disassemble the suppressor and change the piston to a different thread pitch.  The CAM-LOK® pistons are "universal"; accommodating any pistol mounted with a 3 Lug CAM-LOK® barrel adapter.  Additionally, end users with different brand suppressors supported by the CAM-LOK® piston family, will be able to benefit from the interchangeability of CAM-LOK® barrel adapters between piston models.

These Pistons are required for use with the Revolution®, Resistance®, Optimus® 9mm, and Bushwhacker® 46 in the pistol configurations.

It is important to intermittently clean and lubricate the exterior of the piston and interior of the booster housing to ensure smooth reciprocation with the O ring in the piston retainer.
O-Rings should be replaced intermittently when worn to ensure alignment of the silencer with the booster assembly. Failure to replace damaged or worn O-rings could result in a baffle strike or damage to the piston components.

Piston are H900 heat treated with a rust inhibitor. Please note, color and color pattern will vary due to the heat treatment.


Installation & Use Notes  : Suppressor should be tightly assembled when using this product to avoid inadvertent disassembly of the suppressor when removing it from QD barrel adapter. Barrel adapters should be installed to their host firearms with a minimum torque rating of 20 ft/lbs using a 3/4 socket and needle type torque wrench.  Use of a box end wrench will not have optimal contact with the wrench flat geometry on the adapter and may damage the adapter.

Features:

  • Patented CAM-LOK® (Covert Application Mount - Locking) universal QD piston attachment system
  • 3 mounting positions, 120 degrees separated for rapid mounting
  • Internal taper surface locks in place with interfacing barrel adapters and drastically reduces or eliminates common baffle/end cap strikes 
  • Compatible with Universal QD pistons barrel adapters (sold separately) 
  • Total system weight is identical to legacy direct thread pistons
  • H900 heat treated for improved durability and wear resistance 
  • 17-4 stainless steel material

  *For use with all SilencerCo suppressors EXCEPT the Osprey line of suppressors.

Type Of Part:
Piston
Attachment System:
CAM-LOK®
Thread Pitch:
.578x28
Thread Pitch:
1/2x28
Thread Pitch:
13.5x1mm LH
Thread Pitch:
16x1mm LH
Thread Pitch:
16x1mm RH
Thread Pitch:
9/16x24 RH

64 Reviews

  • 5
    Quick attachment.

    Published by Paul H. on 21st Jul 2024

    The ability to attach the suppressor in a second is a big plus.

  • 4
    Good, but there is downside to convinience

    Published by Max on 9th Jul 2024

    I bought this cam-lok piston because I had few cases of baffle strike on regular silencerco piston that screws on. On regular ones they can get loose and you get your baffle strike. But I never had issues of flying can with traditional pistons. This cam-lok piston is a perfect replacement for the one I have in my silencerco hybrid 46. Once you have barrel extension attached to your handgun it is a breeze to attach can to it. It only takes less than 1/4 of a turn. The downside? It takes exactly as much turn for your can to get loose and fly away. I had only one case - attached it to 45 acp, shot 6 rounds and on the last round it got detached and bounced up and forward maybe 1 feet. I got lucky that I was shooting in front of wooden barrier for shooting while standing - so the can just landed nicely on that wooden shelf. But it was an embarrassing moment. I now check it every few rounds and it can be screwed on tighter after few are shot. After that it holds well. But still I cannot fully relax with it. Another downside is that the cam-lok barrel attachment needs to be removed every time you clean the pistol. You cannot remove barrel with it. Which is a bummer. So, long story short after spending 120$ for both - piston and muzzle device, I can attach and detach can very fast, which is huge plus. But I still have to check it for tightness now and then, and to clean pistol I need a wrench. I guess there always positive and negative sides for everything.

  • 5
    Great product

    Published by Seth Hannah on 7th Jun 2024

    Great product

  • 5
    Cam Lok Piston

    Published by Phillip Brockwell on 9th May 2024

    Probably the most innovative product on the suppressor market, it’s so much more convenient and robust than traditional threading.

  • 5
    Cam-Lok piston

    Published by Unknown on 2nd May 2024

    Great product, great quality, looks good, fit right, and it works.

  • 5
    Quick!

    Published by CH on 29th Apr 2024

    Works great, fast attachment method! Solid!

  • 5
    Cam Lok Piston

    Published by Mr. C on 11th Apr 2024

    First time owner, long time looker. Piston and Cam Lok performed flawlessly....once I got the damn thing put together. Believe me, I'm just poking fun at myself. Never having used one let alone putting one together, it was a bit of a Chinese Puzzle. Just as I was about to hit send on a customer support email, I figured it out. Now I know.

  • 5
    It was like Christmas. I picked thebushwhacked 36 based on price and features

    Published by Mohammed jabir on 14th Mar 2024

    Your YouTube videos are great . Very informative.

  • 5
    Awesome

    Published by SWS Rifles ) Dealer/MTP #JP Clayton Coyle on 14th Feb 2024

    This is the way.

  • 5
    The last system you will ever need.

    Published by SWS Rifles ) Dealer/MTP #JP Clayton Coyle on 6th Feb 2024

    I was at the range hands covered in carbon changing pistons so I could shoot my suppressor on a different pistol. This is the end of that. I no longer change my pistons at the range. the suppressor can be on any of my 5 pistols in a matter of seconds. this is the way the truth and the light. do not sleep on this piston system.