Stainless Griffin Long & XL 1.375-24 Bravo Adapter

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$79.00

Description

These 1.375-24 Bravo (“ASR”, H.U.B.”) long or extra long Griffin taper mount (“Plan A” pattern) adapters protrude .7″ or 1.0″ behind the rear face of the suppressor, giving an extra ~1/2″ or ~3/4″ of muzzle device clearance versus a typical adapter that has a .2-.25″ thick flange.

 

Long adapter specs:

Material: 17-4 H900 Stainless Steel or 6Al-4V titanium

Flange diameter: 1.5″

Flange thickness: .7″

Overall height: 1.15″

Weight: SS 2.3 oz, Ti 1.3 oz

Installs with 1.5″ or adjustable hook type spanner wrench. We recommend the OTC 4791 adjustable spanner wrench or our non-marring polymer adapter wrench

Extra long adapter specs

Material: 17-4 H900 Stainless Steel or 6Al-4V titanium

Flange diameter: 1.5″

Flange thickness: 1.0″

Overall height: 1.45″ 

Weight: SS 2.5oz, Ti 1.5oz

 

Installs with 1.5″ or adjustable hook type spanner wrench. We recommend the OTC 4791 adjustable spanner wrench or our non-marring polymer adapter wrench

 

In Stock Natural products ship within 1-2 business days. While we usually have SOCOM Black on hand to ship within 1-3 business days, color selections may add up to 10 business days to ship time.  Natural finish 17-4 stainless will have the bronze color finish in the first stock photo, while natural finish titanium will be silver in color.

 

Before placing your order, please reference the provided dimensions and compare with your application to ensure this product fits so as to avoid return shipping and restocking costs.

Additional information

Moly Resin

Natural, Burnt Bronze, Coyote Brown, Tan FDE, SOCOM Black, Grey-Black Colt Flat, OD Green, Flat Brown

Item

Long 17-4 Stainless (.7"), Extra Long 17-4 Stainless (1.0")

6 responses to “Stainless Griffin Long & XL 1.375-24 Bravo Adapter”

    Dwayne Cowen
    February 25, 2026
    Good quality adapter, fit and function worked as expected.
    David Flores
    February 24, 2026
    Amazing work, fit was perfect and color was great . 10/10 will be back again
    Casey Hennekens
    February 2, 2026
    Looks great.. color match is spot on.. functions as it should..
    Dillon Smith
    January 11, 2026
    I ordered the long (.7”) Griffin taper mount and this thing is beautiful. Fit and finish are impeccable and everything lined right up perfectly. Ecco Machine is absolute TOP quality.
    Larry LaForce
    November 21, 2025
    I got a large and a XL griffin taper mount adapter since griffin never has them in stock. Both adapters are gorgeous, I almost hate to use them. The machining and socom black coating is top notch. I originally bought a 3/4 hub spacer, but wanted to replace that with a one piece unit. Very fast shipping and will buy more plan A stuff from Ecco again. Too bad yall dont make a griffin taper mount muzzle device.
    Devin Vorel
    March 30, 2022
    First experience with ECCO and will definitely not be my last. Fair prices, extremely high quality machining and finishing, fast shipping, great packaging. Not a single complaint. As for the long Griffin Bravo adapter, it worked perfectly on all my Griffin muzzle devices and gave me the needed length on my YHM Turbo and R9 silencers to use longer muzzle devices required on pinned and welded rifles. Better all around fit and finish than my OEM Griffin Plan A and much better tool interfaces on the ECCO adapter. Absolutely love it!

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