Dead Air DA421 GSG 1911 Thread Adapter | 1/2×28

The Dead Air DA421 thread adapter provides a secure interface between GSG 1911 pistols and 1/2×28 threaded accessories. Finished in nitride with a black appearance, this adapter lets you mount Dead Air Mask-series devices to compatible GSG 1911 hosts. It is a compact accessory intended to increase the versatility of rimfire and small-caliber training setups. Common applications include rimfire range training and precision rimfire target work.

Product Specifications

• The manufacturer is Dead Air Silencers.
• The manufacturer part number is DA421.
• The model is GSG 1911.
• The product type is a Thread Adapter.
• The fitment is listed as GSG 1911.
• The thread pattern is 1/2×28.
• The finish is Nitride.
• The color is Black.
• The weight is 0.1.
• The length is 7.
• The width is 4.5.
• The height is 0.5.
• The UPC is 810128161251.

This adapter is a straightforward solution for operators who need to move a Mask-series accessory onto a GSG 1911 host without modification. Its low-profile form and nitride finish make it a practical choice for range-focused setups where reliable thread compatibility matters.