Griffin Long & XL 1.375-24 Bravo Adapter

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These 1.375-24 Bravo (“ASR”, H.U.B.”) long or extra long Griffin taper 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.

Material: 17-4 H900 Stainless Steel

Flange diameter: 1.5″

Flange thickness: .7″ (Long), 1.0″ (Extra Long)

Overall height: 1.15″ (Long), 1.45″ (Extra Long)

Weight: 2.3oz, 2.5 oz

Installs with 1.5″ or adjustable hook type spanner wrench. We recommend the OTC 4791 adjustable spanner wrench


In stock Natural finish or Black adapters ship 1-2 business days. Other color options add up to 10 business days.

Additional information

Moly Resin

Natural 17-4 H900, Burnt Bronze, Coyote Brown, Tan FDE, SOCOM Black, Grey-Black Colt Flat, OD Green, Flat Brown


Long (.7"), Extra Long (1.0")

1 response to “Griffin Long & XL 1.375-24 Bravo Adapter”

    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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Griffin Long & XL 1.375-24 Bravo Adapter
Griffin Long & XL 1.375-24 Bravo Adapter
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