Yankee Hill Machine 3-LUG HEAVY DUTY ADAPTER
$117.02
The Yankee Hill Machine Company 3-Lug Adapter is a heavy-duty accessory designed for seamless integration with compatible suppressors, enhancing your shooting experience by providing quick and reliable mounting options. This robust adapter ensures durability and precision, making it an essential addition for anyone looking to optimize their firearm’s performance with silencer attachments.
Out of stock
The Brand NEW HEAVY DUTY 3-Lug Adapter is a quick-attach mounting designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully enclosed assembly contains a mounting interface machined from 17-4 Stainless Steel making it durable and 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 of replacing any 1 3/8-24” mount. The HD 3-Lug Adapter can be swapped onto your R9 Sound Suppressor and can be used not only for 9mm but for 300 BO Subsonic (Only) calibers rifles and PCC. This is the perfect upgrade if you are looking for a quick attach mount with better longevity especially on a FULL AUTO platform.
- Replaces any 1-3/8-24” Hub Compatible.
- Aluminum and 17-4 Stainless Steel Construction.
- Black Oxide.
| Weight | 0.383 lbs |
|---|---|
| Dimensions | 8.000 × 5.200 × 2.000 in |
| Manufacturer | Yankee Hill Machine |
| Finish | robust |
| Material | heavy-duty |
| Compatible With | various silencer systems |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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