The Carlson Black Cloud Remington 12Ga Long Range Choke tube is constructed of a Titanium-coated steel, and comes in Mid Range and Long Range models. The titanium coating helps the uniquely designed FliteControl Wad in the Black Cloud ammunition perform downrange with less build-up in the choke and allows the Flitestopper shot to do its job this increasing your take in the field.
Specifically designed to get the most performance from Federal's new Black Cloud Ammunition, but perform extremely well with other steel shotshells
The Long Range choke tube should not be used with any steel shot larger than BB or with any steel shot faster than 1550 fps
Mid Range model can be used with all steel shot sizes
Mid Range model can be used with all steel shot sizes, and with ammunition that exceeds 1550 fps