The Yankee Hill Machine Sidewinder .45 Adapter 16-1RH (YHM-3225-MR) is a precision-engineered mounting solution designed to provide secure and repeatable attachment of .45 ACP suppressors to firearms with 1/2x28 threading. This high-quality adapter bridges the gap between standard 1/2x28 muzzle threads and the 16x1 Right Hand thread pattern commonly found on many .45 caliber suppressors. Manufactured by Yankee Hill Machine, a trusted American company known for producing durable and reliable firearm accessories, the YHM-3225-MR offers shooters a robust and dependable way to mount their .45 suppressors with confidence.
Precision 16-1RH Threading
The YHM-3225-MR features a 16x1 Right Hand thread pattern on the suppressor side, allowing direct compatibility with a wide range of .45 ACP suppressors that use this threading standard. On the firearm side, the adapter is threaded 1/2x28, making it compatible with most 9mm, .40 S&W, and .45 ACP pistol caliber carbines and pistols that utilize the common 1/2x28 thread pattern. This dual-thread design provides excellent versatility for users who want to run .45 suppressors on platforms originally threaded for smaller calibers.
The Yankee Hill Machine Sidewinder .45 Adapter 16-1RH (YHM-3225-MR) enables secure mounting of .45 ACP suppressors on 1/2x28 threaded barrels with precision machining and reliable performance.
Sidewinder Mounting System Compatibility
This adapter is part of Yankee Hill Machine’s Sidewinder mounting system. The Sidewinder series is known for its robust, tool-free quick-detach capability and secure lockup. The YHM-3225-MR integrates seamlessly into this system, allowing users to enjoy fast and repeatable suppressor attachment and removal. The design helps maintain proper alignment and reduces the risk of baffle strikes while providing a solid, vibration-resistant connection between the firearm and suppressor.
High-Quality Construction
Like all YHM products, the Sidewinder .45 Adapter is machined from high-strength steel and finished with a durable protective coating. This construction ensures long-term reliability even under heavy use and harsh conditions. The precision threading and tight tolerances help maintain concentricity, which is critical for safe and accurate suppressor performance. Whether used for recreational shooting, competition, or professional applications, this adapter is built to deliver consistent results.
Key Features of the Yankee Hill Machine Sidewinder .45 Adapter
- 16x1 Right Hand Threading – Compatible with many .45 ACP suppressors
- 1/2x28 Input Thread – Fits most standard pistol caliber carbine barrels
- Sidewinder QD Compatible – Works with YHM Sidewinder mounting system
- Precision Machined – Tight tolerances for proper alignment and safety
- Durable Steel Construction – Built for long-term reliability
- Model YHM-3225-MR – Official Yankee Hill Machine part number
- UPC 816701019063 – Authentic YHM product
Why Choose the Yankee Hill Machine Sidewinder .45 Adapter?
The Yankee Hill Machine Sidewinder .45 Adapter 16-1RH offers a practical and reliable solution for shooters who want to use .45 caliber suppressors on platforms with 1/2x28 threading. Instead of being limited by thread incompatibility, this adapter expands mounting options and allows users to take advantage of the excellent sound suppression and recoil reduction offered by .45 suppressors. Yankee Hill Machine’s reputation for producing high-quality, American-made components ensures that the YHM-3225-MR will provide secure, repeatable performance over time. This adapter is an excellent choice for anyone building or upgrading a pistol caliber carbine who values both functionality and compatibility.
Technical Specifications
| Brand | Yankee Hill Machine (YHM) |
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| Model | Sidewinder .45 Adapter |
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| Part Number | YHM-3225-MR |
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| Input Thread | 1/2x28 |
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| Output Thread | 16x1 Right Hand |
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| Caliber Compatibility | .45 ACP / 9mm / .40 S&W |
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| Mounting System | Sidewinder QD Compatible |
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| Material | High-Strength Steel |
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| Intended Use | Suppressor Mounting Adapter |
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| UPC | 816701019063 |
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Ideal Applications
The Yankee Hill Machine Sidewinder .45 Adapter 16-1RH is ideal for owners of pistol caliber carbines and pistols who want to mount .45 ACP suppressors on barrels threaded 1/2x28. It is particularly useful for AR-9, AR-45, and other 9mm or .45 ACP platforms where users wish to take advantage of the superior sound suppression and recoil reduction offered by larger .45 caliber suppressors. The adapter is also well-suited for competitive shooters, recreational shooters, and anyone who frequently switches between different suppressor options. Its robust construction and precise machining make it a dependable choice for both range use and field applications. Whether you are building a new suppressed pistol caliber carbine or upgrading an existing setup, the YHM-3225-MR provides a professional-grade solution for thread compatibility and secure suppressor mounting.
Expand your suppressor mounting options with the Yankee Hill Machine Sidewinder .45 Adapter 16-1RH. The YHM-3225-MR delivers reliable 1/2x28 to 16x1 Right Hand thread conversion with precision engineering and Sidewinder QD compatibility. UPC 816701019063.
