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17 lut 2003 · Yes, you can use mag primers, but you will have to back down on the powder charge. I would start at minimum, or a few tenths of a grain below minimum, and work up. F
4 sie 2010 · Now if you were loading for a 357 Magnum with a 140-158 Gr load, with some W296 or some IMR-4227, then a small magnum primer would be used. Magnum primers have longer burning and hotter flames in order to completely burn the slow burning pistol powders.
20 cze 2009 · for my 9 major loads shot out of my open gun, i use 9.2 grains of HS6 with a 115 grain JHP. I get about 1490+ fps on the velocity. Didn't see too much velocity change when using magnum primers. maybe 30-50 fps more than standard. I did notice a bit less crud using magnum primers compared to standard primers.
17 lut 2024 · Yes, magnum small pistol primers can typically be used in 9mm ammunition. However, it is important to exercise caution and perform thorough research to ensure safe reloading practices and avoid potential hazards.
Conventional wisdom has long told us to use standard primers for standard loads and magnum primers for magnum loads, and there’s plenty of that reloading data available. However, in Handloader No. 207, Brian Pearce did an excellent job of showing...
14 cze 2019 · Work up your load with the magnum primer just like a new load. They throw a hotter, larger flame which may change your powder burn rate. Winchester used to make rifle primers and pistol primers, they didn't have standard or magnum.
11 paź 2021 · For the cartridges currently loading for, am using Fed sp mag primers for AA7 in 357 and 9mm. The 9mm loads are heavy 124 and 147 grainers, and 125/180 jhp's in 357. AA7 didn't "need" the mag primers, but in testing produced better accuracy with them. Also use mag primers with 748 in 223 and 308.
