$30.00 each + 12.00 shipping, spacers not included.
$52.00 each + 12.00 shipping with custom spacers and o-rings for FX Crown.
In order to test the OD dimensions for for CF Barrel Sleeve / Shroud spacers (https://www.airgunnation.com/topic/wts-fx-crown-mkii-spacers-for-cf-barrel-sleeve-shroud-now-in-yellow-blue-black/) I did not already have, I bought these barrel sleeves for measuring OD. Otherwise they are new and unused condition, other than a single measurement.
You can combine with the CF Barrel Sleeve / Shroud spacers in my other add and save $4.80 on shipping.
To see more about the spacers, please see: https://www.airgunnation.com/topic/wts-fx-crown-mkii-spacers-for-cf-barrel-sleeve-shroud-now-in-yellow-blue-black/