The SilencerCo Delta Adapter for the Walther P22 (brand part no. AC5) gets your .22 pistol suppressor-ready in seconds, converting the factory muzzle for direct suppressor mounting without gunsmithing. SilencerCo builds Delta adapters with o-ring engagement that keeps muzzle threads clean and prevents a suppressor from working loose under repeated firing. This specific adapter is threaded 1/2×28 and is compatible with SilencerCo’s Switchback 22, Sparrow 22, Spectre 22, Warlock 22, and Osprey Micro 22 suppressors. Among our suppressor accessories, this Delta Adapter is the straightforward way to mount a compatible SilencerCo .22 suppressor to a Walther P22 you already own.

Key Specifications

• The fitment is the Walther P22, in .22 LR.
• The thread pattern is 1/2×28.
• The mounting uses o-ring engagement to keep threads clean and prevent loosening.
• The adapter is compatible with the Switchback 22, Sparrow 22, Spectre 22, Warlock 22, and Osprey Micro 22 suppressors.

Frequently Asked Questions

Is this adapter itself an NFA item? No, this is a standard mounting accessory, not a regulated firearm or suppressor — no ATF paperwork is required to purchase it.

Which suppressors does this adapter work with? SilencerCo’s Switchback 22, Sparrow 22, Spectre 22, Warlock 22, and Osprey Micro 22.

Why use an o-ring adapter instead of threading directly? The o-ring engagement keeps the muzzle threads clean and helps prevent the suppressor from working loose during firing.

Buy the SilencerCo Delta Adapter for the Walther P22

A simple, effective way to make your Walther P22 suppressor-ready, this SilencerCo Delta Adapter is a quick, no-gunsmithing upgrade. Order it from our Lubbock, Texas gun shop for fast shipping.