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Gemtech Adapter – M&P22 / P22 / Colt 1911 (M8x0.75 to 1/2x28)
Make your .22 pistol suppressor-ready. The Gemtech Adapter converts factory M8x0.75 threads found on the Walther P22, Smith & Wesson M&P22, and Colt 1911-22 into the U.S. standard 1/2x28, letting you attach rimfire suppressors and muzzle devices with confidence. Precision-machined and finished in matte black, this adapter ensures proper alignment, protects your threads, and delivers a secure fit for reliable shooting.
Product Overview
Most .22LR pistols like the P22, M&P22, and Colt 1911-22 ship with metric barrel threads that don’t match common U.S. suppressor mounts. The Gemtech Adapter solves this by converting M8x0.75 to 1/2x28 TPI, the industry standard for rimfire suppressors.
Designed from hardened steel and finished with a durable black coating, the adapter maintains proper shoulder alignment to reduce the risk of baffle strikes. It’s compact, lightweight, and includes a thread protector for safe storage when not in use.
Key Features
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Thread Conversion: M8x0.75 (factory) to 1/2x28 TPI (U.S. standard)
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Firearm Compatibility: Walther P22, S&W M&P22, Colt 1911-22 models
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Suppressor Ready: Works with most .22LR suppressors and muzzle devices threaded in 1/2x28
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Construction: Precision-machined steel for strength and reliability
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Finish: Matte black for a clean, durable look
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Thread Protector: Included for safe storage and transport
Why Choose the Gemtech Adapter?
Suppressor alignment and safety start with the right adapter. The Gemtech Adapter ensures your rimfire suppressor seats properly, prevents cross-threading, and reduces the risk of baffle strikes. Unlike generic alternatives, it’s engineered to exact tolerances for the M&P22, P22, and Colt 1911-22 platforms.
For shooters who want a seamless, OEM-quality solution, this adapter makes adding a suppressor both safe and simple.
Specifications
| Attribute | Value |
|---|---|
| Input Thread | M8x0.75 (factory spec on P22 / M&P22 / Colt 1911-22) |
| Output Thread | 1/2x28 TPI (U.S. rimfire standard) |
| Material | Hardened Steel |
| Finish | Matte Black |
| Included | Thread Protector |
Installation Tips
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Verify your barrel has M8x0.75 factory threads
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Hand-tighten the adapter and ensure it seats fully against the shoulder
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Always confirm suppressor alignment before firing
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Use the included thread protector when storing or transporting your pistol
FAQs
Q: Will this adapter fit both long and short Walther P22 barrels?
Yes. It is designed to fit both the short and long barrel versions of the Walther P22.
Q: What thread pitch does this adapter convert to?
It converts factory M8x0.75 threads to 1/2x28 TPI, the U.S. rimfire standard.
Q: Can I use this with other pistols besides the M&P22, P22, or Colt 1911-22?
This adapter is specifically designed for these models. For other firearms, check thread specs before use.
Q: Does it include a thread protector?
Yes. The adapter comes with a matte black thread protector to keep threads safe when not in use.
Q: Will this help prevent baffle strikes?
Yes. Proper shoulder alignment and exact machining reduce the risk of misalignment that can cause suppressor damage.
Get Suppressor Ready in Seconds
The Gemtech Adapter – M&P22 / P22 / Colt 1911 provides a safe, simple, and reliable way to convert your pistol’s factory threads to the U.S. standard 1/2x28. Built to last and precision-fit for these popular rimfire pistols, it’s the essential upgrade for anyone adding a suppressor to their .22LR platform.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
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