Large Pistol Magnum (LPM) Primers
Primers are a key ammunition reloading component. They are needed to ignite the powder charge.
There a seven primer sizes which differ by use (pistol vs. rifle ammunition), size (small vs. large) and force (normal vs. magnum): SP = Small Pistol Primers | SPM = Small Pistol Magnum Primers | LP = Large Pistol Primers | LPM = Large Pistol Magnum Primers | SR = Small Rifle Primers | LR = Large Rifle Primers | LRM = Large Rifle Magnum Primers.
Below you find a table with some common calibers / cartridges which use Large Pistol Magnum primers. Also find further below some common products in this primer size:
Federal GM155M Large Pistol Magnum (LPM) Primers
The same primers that Federal uses in their high-quality ammunition. Made to exacting standards for dependable ignition. The Federal GM155M Large Pistol Magnum (LPM) Primers have specifically been developed for large pitol and revolver magnum cartridges. Find all Large Pistol Magnum (LPM) Primers by following the Link.Common Cartridges suitable for this Primer Size
CartridgeBullet DiameterPrimer Size
475 Linebaugh 475LPM
500 Linebaugh 511LPM
Common Cartridges using this Primer Size
| Cartridge | Bullet Diameter | Primer Size |
| 475 Linebaugh | 475 | LPM |
| 500 Linebaugh | 511 | LPM |