These WIX 24003 / NAPA 4003 filter caps allow you to attach a WIX / NAPA filter assembly directly to your muzzle thread without the use of an adapter. They are made form 416 Stainless Steel, and T6061 aluminum. They also use the same o-rings as the original aluminum filter caps.
Please read product description for each item for center hole size and thread configuration.
Click on item photo for product description.
All prices are in USD