SilencerCo Delta Adapter | 1/2×28 | O-Ring Engagement

The SilencerCo Delta Adapter adapts 1/2×28 muzzle threads and uses O-ring engagement to reduce exposed thread length and help keep threads clean. It includes a thread protector and is sized for .22 rimfire Delta-series accessories. The adapter shortens the exposed length of 1/2×28 threads to reduce interference and stabilize the engagement interface.

Common uses include range training with small-bore firearms and precision rimfire target work where reduced thread exposure and secure engagement are desirable.

Product Specifications

• The model is Delta.
• The manufacturer is SilencerCo.
• The thread pattern is 1/2×28.
• The NFA thread pattern is 1/2×28.
• The caliber/gauge is listed as .22 LR.
• The color is Black.
• The weight is 0.10 lbs.
• The series is Adapter.
• This item includes O-ring engagement to help retain engagement and keep threads clean.
• The package includes a thread protector.
• Compatible items include Switchback 22, Sparrow 22, Spectre 22, Warlock 22, and Osprey Micro 22.
• The product type is Accessory-Silencer Accessories.
• The UPC is 817272010039.

Compact and purpose-built, the Delta Adapter provides a clean, low-profile method to adapt 1/2×28 rimfire interfaces while minimizing exposed threads. Its lightweight construction and O-ring engagement make it a practical choice for shooters who prioritize reliable thread retention and straightforward integration with SilencerCo Delta-series .22 accessories.