Walther P22 Threaded Barrel Adapter | 1/2×28 | 512105

The Walther Arms P22 threaded barrel adapter provides a 1/2×28 thread interface for the P22 pistol, allowing use of a wider range of muzzle accessories. It is CNC-machined from 304 stainless steel and finished with a Black Nitride treatment for wear resistance. The adapter ships with a thread protector and machined flats that accept a 1/2″ wrench for secure installation.

Product Specifications

• The manufacturer is Walther Arms.
• The model is listed as the P22 Threaded Barrel Adapter.
• The manufacturer’s part number is 512105.
• The thread pattern is 1/2×28 tpi.
• The NFA thread pattern is documented as 1/2×28.
• The adapter is compatible with .22 LR platform listings.
• The material is specified as 304 Stainless Steel.
• The finish is Black Nitride.
• The adapter is described as CNC machined.
• The adapter includes a thread protector.
• The adapter provides an M8x0.075 to 1/2×28 conversion as an additional feature.
• The adapter has machined flats to allow tightening with a 1/2″ wrench.
• The listed dimension field shows .50″.
• The UPC for this item is 723364205248.

This adapter is practical for range and training setups where compatibility with threaded muzzle devices or suppressor-ready fittings is required. Its stainless construction and nitride finish make it a durable choice for routine field use and accessory testing.

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