That won't work, sorry. Here's the details for cash payments.
budsgunshop.com/payment.php

Hi Patrick, no, you cannot pay same as cash with a credit card. Even if you could, you would still end up paying the same exact amount, because the cash discount is equal to the credit card transaction fees that Bud’s gets charged. (3%)
Stay safe and have a great day.

sorry Cash discount Payment methods accepted by budsgunshop.com are
Money Order (3% cash discount).
Certified Check (3% cash discount).
Personal Checks including online bill payments (3% cash discount). (Orders held for 5 business days for check to clear)
E-Check / ACH (3% cash discount). This will delay your order for 5 business days. Click HERE to learn why. )

Hi Patrick and welcome. Unfortunately, no (credit card). Buds "Cash Price" details here: budsgunshop.com/payment.php