Remington SM Pistol PrimerS


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remington sm pistol primers

Remington sm pistol primers are somewhat unique in the world of small pistol primers. They are the only small pistol primer I’m aware of that comes with a warning regarding their use in specific pistol calibers. Most small pistol primers come in two flavors, standard and magnum, their use generally being tailored around what powder one uses. Likewise, most pistol powders are sufficiently ignited with standard primers, while some pistol powders, ball powders like Hodgdon H110 and Winchester 296 for example, benefit from the extra spark of magnum primers to help them burn efficiently. Their use can be easy to remember, standard primers for powders a, b and c, and magnum primers for powders x, y and z.

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: 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.

Produced from the highest quality 100% American-made materials.
Condition New in Box
Manufacturer Part Number 22600
Type Reloading
UPC 047700095059


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