PLAN-A™, Taper Mount Adapter for OMEGA™, NOMAD™, & other 1.375x24 threaded suppressors

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The Taper Mount PLAN-A™ adapter provides a Griffin Taper Mount interface for Silencerco® Hybrid™, OMEGA™, and Harvester 338™ as well as DEAD AIR ARMAMENT™ NOMAD™, and other suppressors with mount interface inside diameter threading of 1.375x24.   No proprietary tools required.  Machined in our Watertown headquarters from billet 17-4 stainless steel, this adapter provides a precision made interface that gives you access to nationally recognized Griffin Taper Mounts and accessories.   Precision, durability, and value are at the core of Griffin product design and manufacturing.  This product allows you to affordable kit up with the best muzzle devices in the industry. 

The exposed length or length added of the Plan-A™ when installed is .430".  This allows for a wide range of taper mount accessories to be fitted to the suppressors.  

  • 17-4 Stainless Steel
  • H900 Heat treated
  • 2.1 Ounce Weight
  • Taper Mount Repeatability and versatility
  • Made in the USA


Silencerco® is a federally registered trademark of Silencerco LLC. and is one of many trademarks owned by Silencerco LLC. Griffin Armament is an independent manufacturer of parts and accessories that fit Silencerco® products, however it is not affiliated with or endorsed by Silencerco LLC.  The use of Silencerco® on this page is merely to advertise the sale of compatible parts or components.  


DEAD AIR ARMAMENT™ and NOMAD™ are trademarks of SOUND MODERATION TECHNOLOGIES LLC®. and are two of many trademarks by SOUND MODERATION TECHNOLOGIES LLC®. Griffin Armament is an independent manufacturer of parts and accessories that fit SOUND MODERATION TECHNOLOGIES LLC products, however it is not affiliated with or endorsed by SOUND MODERATION TECHNOLOGIES LLC®.  The use of NOMAD™, DEAD AIR ARMAMENT™, and SOUND MODERATION TECHNOLOGIES® on this page are merely to advertise the sale of compatible parts or components.  

Type Of Part:
Attachment System:
Taper Mount
Thread Pitch:

22 Reviews

  • 5
    Better then the plan B

    Published by Baseline Training on 26th Apr 2024

    I've used the plan b mount from Q and this is far superior for a number of different reasons. #1 it maintains the same low profile mount as the plan B and Reardon, however, you get the luxury of utilizing a wide range of other muzzle devices that Griffin has to offer for this mount. #2 the lock up on the taper with the plan A in comparison to the plan B is far superior in my opinion. Utilized this on a machine gun and it does not back off or get loose AT ALL. Griffin does it right folks, and they have the staying power behind their brand to prove it.

  • 4
    (Needed?) part

    Published by Ken on 7th Jan 2024

    I use a Bushwacker 46 on a 10/22 and an AR 300BLK. The AR has a 9.5" bbl and a 14" handguard. After shooting, the Plan A adapter would always stay attached to the bbl adapter. I had to remove the handguard to get it off to use on the 10/22. I bought this extra Plan A to keep on the .22

  • 5
    Works great with Silencerco Hybrid 46

    Published by Max on 6th Dec 2023

    Many people first buy other mounts, often from the supressor’s manufacturer. And then, after regretting it, buy from Griffin. I decided to cut the corner and bought Silencerco Hybrid with no mount, and then bought this adapter. Very light and small. Works great with minimalist flash hider. Anything longer than this wont work for Plan A, you will need Plan A L, or XL.

  • 5
    Plan A Adapter

    Published by Pete T on 4th Dec 2023

    This is actually the second one of these that I’ve purchased as I don’t care for the mounts that came with the other suppressors from the factory. Lock up is excellent and fit and finish are absolutely fantastic. I really like the taper mount system. Highly recommend and love GA’s customer service and products.

  • 5
    Great mounting solution

    Published by 1168RGR on 7th Oct 2023

    I’ve been using these for a few years. Definitely the shortest, most affordable, and best mounting solution for Bravo/HUB/1.375” cans, and among the lightest. The taper interface with the muzzle device keeps it on during use, and it comes off without carbon locking when done.

  • 5
    Plan A Taper Mount

    Published by G Rocker on 7th Oct 2022

    Great product. Used on my Dead Air. Just got one for my Rugged. Now I need more minimalist taper mounts

  • 5
    Quality Excellent

    Published by Steve on 11th Aug 2022

    The quality is excellent which is normal for all Griffin Stuff.

  • 5
    Plan A-head

    Published by Collin Thomas on 19th Mar 2022

    Hands down, the best minimalist mount on the market! Lighter & more reliable than other competitors complete systems.

  • 5
    High Quality

    Published by Newnan Arms Company, LLC) Dealer #CWS Nick Miller on 21st Dec 2021

    Warning: flash comps will not work with hybrid 46 or rex MG10. shorter devices will.

  • 5
    Form 1 stuff

    Published by Cory Davis on 8th Dec 2021

    Fits asr pattern 1.375x24 form 1 tubes like a glove. Working perfect on my shrimp gang designs sandy shrimp L tube.