Description
Quick-detach mounting is one of those things you don't appreciate until you've fought a hot suppressor off a threaded barrel at the range. The Yankee Hill Machine .45 Cal Heavy Duty 3-Lug Adapter fixes that problem for good. Thread it into any HUB compatible suppressor with 1-3/8×24 threads and you've got a twist-and-lock connection to any 3-lug equipped barrel or muzzle device, no tools, no fuss.
Built Like a Heavy Duty Adapter Should Be
The part that takes the abuse here is the mounting interface, and YHM machined it from 17-4 stainless steel. That's the same tough, heat-resistant alloy you'll find in serious suppressor components, and it's why this adapter carries a full auto rating. The whole thing is a fully enclosed assembly, so blast and carbon stay where they belong instead of chewing up the mount over thousands of rounds. At 4.89 ounces, it adds strength without turning your pistol caliber setup into a boat anchor.
Why the .45 Bore Version Makes Sense
The .45 caliber bore is the versatile pick if you run more than one pistol caliber can or host. It clears .45 ACP, 10mm, .40, and 9mm projectiles alike, so one adapter can float between suppressors and hosts as your collection grows. And since YHM built it to the B&T tri-lug standard, it plays nice with the huge ecosystem of 3-lug barrels and muzzle devices already out there on PCCs, subguns, and threaded pistol barrels.
Pairing the YHM-2051 With Your Setup
If your suppressor accepts standard HUB mounts, this drops right in as a replacement for the factory thread mount or any other 1-3/8×24 accessory. It's a natural match for cans like YHM's own R45, but it works just as well with the long list of HUB compatible suppressors from other makers. For anyone running a 3-lug barrel on an MP5 clone, a PCC, or a suppressor-ready pistol, this is the durable, no-drama way to get on and off the gun fast.
Key Specifications
- Manufacturer: Yankee Hill Machine Co.
- Manufacturer Part Number: YHM-2051
- UPC: 841812103073
- Caliber Rating: .45 caliber (works with smaller pistol calibers)
- Mount Type: 3-lug quick detach, B&T tri-lug standard
- Suppressor Thread: 1-3/8×24 HUB compatible
- Interface Material: 17-4 stainless steel
- Weight: 4.89 oz
- Rating: Full auto rated
- Finish: Black
What’s Included
- YHM .45 Cal Heavy Duty 3-Lug HUB Adapter (YHM-2051)
Frequently Asked Questions
Will the YHM-2051 3-lug adapter fit my suppressor?
If your suppressor accepts industry standard HUB mounts with 1-3/8×24 threads, yes. This adapter simply threads in place of your existing mount or thread insert. It works with YHM's own HUB cans as well as HUB compatible suppressors from most other manufacturers.
Can I use this .45 adapter on a 9mm suppressor and host?
Yes, and that's a big part of its appeal. The .45 caliber bore clears smaller pistol calibers like 9mm, .40, and 10mm, so one adapter can move between multiple setups. Just remember the reverse isn't true, so never run .45 projectiles through a 9mm-bored mount.
What 3-lug barrels and muzzle devices does this work with?
YHM built this adapter to the B&T tri-lug standard, which is the most common 3-lug pattern out there. That means it locks onto MP5-style barrels, 3-lug muzzle devices on PCCs, and tri-lug adapters on threaded pistol barrels. If your host uses the standard B&T lug spec, you're good to go.
What makes this the heavy duty version compared to a standard 3-lug adapter?
The mounting interface is machined from 17-4 stainless steel, a tougher and more heat-resistant material than what you'll find on many standard adapters. The assembly is also fully enclosed to keep blast erosion off the working parts. That construction is why YHM rates it for full auto fire.




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