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Yankee Hill Machine Co SRX Adapter
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Yankee Hill Machine Co

SRX Adapter

$99.95
$84.75
Sale Price
Available California compliant

Yankee Hill Machine Co sRx Low Profile Adapter, Compatible with sRx Muzzle Devices, Attaches to Suppressors with 1.375X24 Thread Pitch, Black Oxide Finish YHM-4400

Key Details
Brand Yankee Hill Machine Co
Manufacturer Part Number YHM-4400
UPC 841812101499
SKU YHM-4400
Current Stock 45 available
Quantity Updated Apr 24, 2026 2:40 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

YHM's line of sRx products were designed with aesthetics and ease-of-use as the top priorities, and that is no different for the YHM sRx Q.D. Adapter (YHM-4400). This Low Profile, Q.D. Adapter/Mounting Interface attaches to the industry standard (HUB) 1-3/8"x24 threads. It features an internal taper seal-in front of the threads-that locks your suppressor on and forms a tight seal to contain gasses while in-use. This means no gasses or debris can build up on the threads.

Features
  • Must be paired with one of YHM's sRx Muzzle Devices
  • Small/low profile
  • No moving parts
  • Lighter than many Q.D. mounting offerings on the market
  • Made in the USA
Specifications
UPC: 841812101499
Manufacturer: Yankee Hill Machine Co
Manufacturer Part #: YHM-4400
Model: SRX Adapter
Finish: Black Oxide
Type: Mount