Yankee Hill Machine 4400 sRx QD Adapter
Low-profile quick-detach adapter for Yankee Hill Machine suppressors. Features internal taper seal, 1-3/8x24 threads, minimal weight addition, and pairs with sRx muzzle devices for a sleek suppressor system.
Yankee Hill Machine sRx QD Adapter System
The Yankee Hill Machine 4400 sRx QD Adapter represents a thoughtful approach to suppressor mounting. Designed with both aesthetics and practical functionality in mind, this low-profile adapter delivers the performance serious shooters demand without unnecessary bulk.
Key Features
Mounting Interface
- Attaches to industry-standard 1-3/8x24 threaded hubs
- Internal taper seal locks the suppressor firmly in place
- Forms a tight gas seal to prevent thread buildup and debris accumulation
Design Philosophy
- No shimming or timing required—mount and shoot
- Minimal length and weight addition to your suppressor setup
- No moving parts to wear or maintain
- Large taper geometry ensures consistent, repeatable mounting
Practical Advantages
- Lighter than many quick-detach options on the market
- Can be permanently attached to your barrel if desired
- Works exclusively with Yankee Hill Machine sRx muzzle devices (4405, 4405-MB, 4401-MB, and 4445)
The sRx System Approach
This adapter is the cornerstone of Yankee Hill Machine's sRx (Suppressor Rx) System—a complete suppressor solution for shooters who value both form and function. The system delivers a sleek, low-profile appearance while maintaining the durability needed for serious use. Whether you're building a precision rifle or a tactical platform, the sRx adapter provides a clean, professional mounting solution that won't compromise your firearm's handling or aesthetics.
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
- quick detach srx mount
