Parker-Hale Double Male conversion

If you're looking to add a 1/2" UNF moderator to male threaded barrel, then the Parker-Hale Double Male Conversion is the perfect accessory. There is no need for expensive re-threading work to be done to your barrel, simply screw the Double Male Conversion into the internally threaded barrel, and you are left with an external 1/2" UNF thread for your moderator. Features: 1/2" UNF threaded Female-to-female adaptor Doesn't require expensive work to your rifle.