Large Pistol Magnum (LPM) Priers
Large pistol magnum primers are specially designed for use in high-pressure handgun cartridges that require a more potent ignition source. These primers are typically used in large-caliber, high-performance rounds such as .44 Magnum, .45 Colt in magnum loads, and .50 Action Express. Compared to standard large pistol primers, magnum primers contain a hotter, more powerful primer mix, which provides a stronger spark necessary to ignite larger powder charges or slower-burning powders used in magnum loads. This enhanced ignition ensures consistent and reliable performance, especially in extreme conditions or when using dense, heavily compressed powders. Magnum primers are engineered to deliver consistent performance across various temperature ranges, which is crucial for maintaining accuracy and ensuring reliable ignition. Handloaders and ammunition manufacturers often select magnum primers to maximize the power and performance of their high-caliber rounds, ensuring that each shot delivers the desired ballistic characteristics.
Primers Brands & Products
Suitable Calibers
The following calibers have this primer size as standard.