Forster - Bushings (279-340) Size:324 For Aimpoint CompM5s add 10

For Aimpoint CompM5s add 10 mm/0

Thanks to the multicoated optics

you will need a Modified Case (sold separately) to fit your firearm's chamber and thread it onto the gauge

if you do not see your cartridge listed here for this product it means there is no need for this type for that cartridge

3) You want to pinpoint issues with your reloaded ammunition

Forster - Bushings (279-340) Size:324 For Aimpoint CompM5s add 10Bushings allow case necks to be sized to your exact requirements in a Bushing Bump Neck Sizing Die. An ultra smooth bushing produces better loaded rounds, so Forster uses a super cooling cryogenic process. Cryogenically treated steel produces filler particles that refine and close the steels surface. Bushings are heat treated and honed to the precise inside diameter stated.