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Walther P22 Thread Adapter

The United Defense Walther P22 Thread Adapter converts your pistol's factory M8x.75 metric barrel threads to the industry-standard 1/2x28 TPI pattern, opening up compatibility with rimfire suppressors, compensators, and other .22 caliber muzzle devices. Precision-machined from steel with a durable black finish, it installs as a direct replacement for the factory muzzle nut — no gunsmithing required. A knurled thread protector cap is included to safeguard the threads when no device is mounted. Built for P22 owners who want to run a can, a comp, or any other 1/2x28 accessory without hunting down obscure metric hardware.

In stock

SKU
TI-0002
$15.95
  $11.95
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Description

Features

  1. M8x.75 to 1/2x28 Conversion — Converts the Walther P22's proprietary metric M8x.75 barrel threads to the industry-standard 1/2x28 TPI pitch used by virtually all .22 caliber muzzle devices.
  2. Direct Replacement for Factory Barrel Nut — Drops in as a one-to-one replacement for the P22's original muzzle nut, no gunsmithing or permanent modifications required.
  3. Suppressor Ready — Opens up compatibility with the full range of rimfire suppressors, compensators, fake suppressors, and other 1/2x28 muzzle accessories.
  4. Precision-Machined Steel Construction — CNC-machined from solid steel with a corrosion-resistant black finish for durability under repeated mounting and removal.
  5. Knurled Thread Protector Included — Comes with a matching thread protector cap to keep the 1/2x28 threads clean and damage-free when no muzzle device is mounted.
  6. Wrench Flats for Secure Install — Machined flats allow you to torque the adapter down with a standard wrench for a tight, repeatable lockup on the barrel.
  7. Compact, Low-Profile Footprint — Adds minimal length and weight to the muzzle, preserving the P22's balance and handling characteristics.
  8. Fits Walther P22 Variants — Compatible with standard P22 and P22 Target models featuring the factory M8x.75 threaded barrel.

More Information

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Customer Reviews

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92 reviews

100% of customers recommend this product

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Top customer reviews

  1. Polodoc

    Verified Buyer

    Easy to order from website, reasonable price, well made, perfect fit, prompt delivery

    Value

    Overall Rating

    Price

    Quality

    I wanted to run a silencer for my Walther P22 and so ordered the threaded adapter. It fit perfectly with a simple installation and my silencer fit on snugly. The finish matched the rest of the pistol and so I am totally happy with my purchase.

    Easy of installation and worked as advertise3d.

    none

  2. QuietBore

    Verified Buyer

    Finally got my P22 ready for cans

    Value

    Overall Rating

    Price

    Quality

    This is exactly what you need if you want to run a 1/2x28 suppressor on the P22. Took me like 30 seconds to install, screwed my Dead Air Mask on and went to the range. Three mags of CCI Quiets and I was grinning ear to ear. Customer service at Keep Shooting was also really helpful when I had a question about compatibility before ordering.

    Simple installation

    None yet!

  3. SuppressedWalther

    Verified Buyer

    Perfect fit

    Value

    Overall Rating

    Price

    Quality

    Been running my P22 with a Spectre II for about 500 rds now and this adapter has been rock solid. No loosening, no baffle strikes, threads are clean and well cut. I was worried about concentricity with a cheap adapter but checked it with a rod and its dead on. Shipping was super fast too, had it in 3 days.

    Solid lockup with no backing off

  4. Mark in AZ

    Verified Buyer

    Works great

    Value

    Overall Rating

    Price

    Quality

    Not much to say here, this thing just works. Bought it to run a suppressor on my P22 Target model and it fits perfectly. The steel construction feels solid and it adds almost no length or weight to the barrel which is nice. Shipping was fast too, I think I had it in 3 days. Solid pickup if you need to get rid of those goofy metric threads on your Walther. 10/10 would buy again

    Does exactly what it says it does

  5. Steve P

    Verified Buyer

    Thanks

    Value

    Overall Rating

    Price

    Quality

    I was tired of hunting around for metric adapters so i grabbed this one and it fit my p22 perfect. swapped out the factory nut in like 5 minutes with a small wrench, lined up clean and snug no wobble. ran about 300 rounds of bulk pack through it with my suppressor and zero loosening, point of impact stayed the same too. only thing is the black finish got a small scuff from my wrench but its under the can so who cares.
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