Remington SM Pistol PrimerS
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But Remington’s 1½ and 5½ small pistol primers don’t necessarily fall into the standard versus magnum category that distinguishes between gunpowders. There is a special warning on the 1½ primer box indicating that they are not suitable for certain high pressure cartridges. The warning reads, “Do not use 1½ small pistol primers in high intensity pistol cartridges such as the .357 Magnum, .357 SIG and the .40 S&W. Damage to your firearm and/or personal injury may result.” The warning continues with, “Contact Remington Arms at 800-243-9700 for a free catalog or visit our website: www.remington.com. Recommended primers for each cartridge are listed in the catalog ballistics tables.”
Indeed, Remington’s ballistics tables list the recommended primers for each caliber that Remington loads, handgun and rifle. The 1½ primers are listed for the 25 Auto, .32 S&W, .32 S&W Long, .32 Auto, .380 Auto, .38 S&W, .38 Short Colt and .38 Special. None of these cartridges exceed 25,000 psi peak chamber pressure limits. Surprisingly, the 1½ primer is also listed for the 9mm Luger, the 9mm +P and .38 Super. These latter calibers are not low pressure. The 9mm Luger has a SAAMI (Sporting Arms and Ammunition Manufacturers’ Institute) pressure limit of 35,000 psi, and the +P version’s limit is 38,500 psi. The .38 Super has a SAAMI pressure limit of 36,500 psi. These compare with the .357 Magnum and .40 S&W pressure limit of 35,000 psi, and the .357 SIG’s limit of 40,000 psi. If the 1½ primer is not appropriate for the .357 Magnum and .40 S&W, how can it be appropriate for the 9mm, 9mm +P and .38 Super, which have the same—or even higher pressure limits?
This has caused confusion among some reloaders, myself included. In fact, I was unaware of this warning when I first bought 1½ primers and used them in 9mm Luger loads. I thought the 1½ primers were “standard” primers, and the 5½ primers were “magnum” primers, since that is how they are listed in many primer charts.
|Condition||New in Box|
|Manufacturer Part Number||22600|