3 Lug Interface For Revolution, Optimus, Bushwhacker, and Resistance Series Suppressors

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The 3 lug interface assembly is an integral 3 lug assembly which adds minimal length to the suppressor. This kit allows for QD mounting of many Griffin suppressors. To view applicable calibers and ratings see individual suppressor product pages. Our 3 lug adapter requires minimal deflection of the spring bushing for installation in some cases negating the need to modify hand stops and grips that come close to the 3 lug adapter. The 9mm kit fits H&K standard 9mm 3 lug adapters as well as Griffin 3 Lug Adapters. US made Barrels from RCM and Michael's Machines comply with these dimensions as well as German HK brand barrels.

Made of 17-4 Stainless steel and with a 17-7 wire spring, this coupler kit is heavy duty for full auto applications.

Applicable to the following Griffin suppressors:

Bushwhacker 46
Resistance® 22


  • 17-4 and 17-7 construction
  • minimal length added to silencer
  • Compatible with standard 3 lug adapters
  • Lifetime Warranty


3 Lug Kit - Resistance ®22M only

This 3 lug kit is only intended for use with our Resistance 22 Suppressor


3 Lug Kit, HK, B&T, Griffin 9mm - for Resistance 9/45, Revolution 9/45, Optimus 9 & Micro, Bushwacker™ .46

This is the standard 9mm interface compatible with our 9mm 3 lug barrel adapters. Some other manufacturer's 9mm barrels and barrel adapters may be compatible, but we can only guarantee fitment to our 3 lug barrel adapters.


3 Lug Kit, HK 10mm, Griffin .45, - for Resistance .45, Revolution .45, Bushwacker™ .46"

This three lug interface is compatible with our 45 caliber 3 lug barrel adapters.


Lug Kit, B&T .45 only (APC & GHM 45) - for Resistance .45, Revolution .45, Bushwacker™ .46

This bushing is sized specifically for the 3 lug barrel of the G&T APC 45 and the B&T GHM 45

Additional Details

Type Of Part:
3 Lug Interface

11 Reviews

  • 5
    Great Products

    Published by C.Fain on 23rd Aug 2022

    I bought to mount on three of my PCC's that have a 3 lug mount, 2 of which are Griffin 3 lug mounts. I am also using the 1.375x24 booster housing with the 3 lug interface with my Rex MG7 suppressor, I am very happy with how they easily everything goes together and how easy it is to mount the suppressor now.

  • 5
    3 lug interface

    Published by Kyle Armstrong on 8th Jun 2022

    High quality component!
    Perfect fit on my octane 9.
    Locks on tight onto my HK SP5s,
    and MPX in conjunction with the Griffin 3 lug barrel adapter.
    Thank you Griffin Armament!

  • 5
    Easy fit

    Published by Edgar on 9th Mar 2022

    Super easy to install and works really well.

  • 5
    Great addition

    Published by Jerad Moore on 18th Feb 2022

    Once I receive my suppressor I’m sure it will be amazing. Quality seems to be really good and customer service was excellent

  • 5
    GA tri-lug on Omega 9k

    Published by H Vinh on 6th Oct 2021

    Bought this adapter for my Omega 9k because the Silencerco one is forever out of stock. Threads on perfectly with no issues. Spring tension is wonderful with tight lockup. Adds very little overall length to the can and sound suppression to my ears is about as good as it is with SiCo direct thread/booster on same gun. Overall love how the two play together.

  • 5
    Love it..

    Published by Gdot on 19th Jul 2021

    The precision craftsmanship is evident by the tight tolerances of the whole Griffin 3-lug system. This interface perfectly mates my Rev45 with an MPX. I almost went the taper mount minimalist FH route but I'm 100% satisfied with the 3-lug and I probably would have transitioned to this anyways.

  • 5
    Purchased for an Optimus Micro

    Published by Anthony on 16th Sep 2020

    I'm running this tri lug kit on my Griffin Optimus Micro. Install required some deep cleaning to get the spring to fit within the Optimus body (I shoot a lot of rimfire through it). Once installed though the system works perfectly. I am currently running it on a cz452 22lr, Henry Frontier 22lr, and a couple of Ruger MarkIV 22lr pistols. Having the tri lug system on each makes changing host guns quick and easy.

  • 5

    Published by CT Anderson on 6th Aug 2020

    This paired with the 3 Lug Adapter make installation and removal of my Optimus 9 quick and easy.

  • 5
    Make your life easier!

    Published by PRO on 18th Mar 2019

    I put the 3 lug muzzle devices on my 9mm carbines and my 300 SBR. This makes life so much easier when switching between guns.

  • 5
    Best mount for multiple firearms

    Published by Kenny K on 10th Jan 2019

    This makes moving from one gun to another very convenient. Solid lock up and secure. Very pleased with my purchase and a nice edition to my optimus 9.

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