......... or wait until September to use the new-age Remington Kleanbore 209 primers currently being assembled & soon to be shipped to minimize the powder crud ring in your bore.

In the meantime, swab after every 2nd shot (100 grains) every shot using 150 grains with a very gentle non-oily, non-lubey solution like Windex or auto windshield solvent and use the weaker CCI (regular... not CCI-Magnum) 209 primers.