The HEAVY DUTY 3-Lug Adapter! (Designed for heavy-use, including full auto)

…because, it’s what’s on the inside that counts! ;)


Silencing the Competition ®


SKU: YHM-2050  –  YHM® HD 3-Lug Adapter  –  MSRP: $143.95 

Replaces any

1-3/8″-24 Mount

Aluminum & Stainless Steel


Matte Black Finish

This assembly uses the same exterior aesthetics you know-and-love from your other YHM products, but pairs it with BRAND NEW technology and now contains a Stainless Steel center component-specifically designed for added structure and longevity.

The brand new, HEAVY DUTY 3-Lug Adapter is a quick-attach mounting option designed to provide added strength to your 3-Lug equipped firearm. This fully enclosed assembly contains a mounting interface machined from 17-4 Stainless Steel-making it capable of handling heavy use-including full auto.


The HD 3-Lug Adapter is HUB compatible and uses the iconic, HK tri-lug interface. This makes for a versatile adapter, capable replacing any 1-3/8″-24 mount. The HD 3-Lug adapter can be swapped onto your R9™ or Nitro® N20 Sound Suppressors, and can be used on some rifle calibers.

How to Purchase

HD 3-Lug Adapter


Now available!



Are you interested in selling our American Made products?


Yankee Hill Machine Co.

412 Main St, Easthampton

Massachusetts, United States of America

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