Shooting Sports USA - May 2018 - 29

.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.
I was surprised when some of my 9mm
loads with 1½s had pierced primers. My first
inclination was to think that I loaded them
too hot, perhaps by error. However, the same
loads with other brands of primers showed
no sign of excess pressure. Why were the
Remington primers reacting differently?
At some point, I learned about Remington's
warning. Then it made sense-they aren't
designed to handle high pressure. Since
then, I've used the 1½ primer in 9mm Luger
with mixed results. With some 9mm loads,
the primers had no evidence of primer flow.
In other loads, the 1½ primers had primer
flow when other primer brands did not. In
extreme cases, the 1½ primers were pierced.
Remington's recommended use of the 1½
primer implies a difference in cup thickness
or cup strength such that the 1½ won't

SSUSA.ORG | MAY 2018

29


http://www.remington.com http://www.nssf.org http://www.remington.com http://www.SSUSA.ORG

Table of Contents for the Digital Edition of Shooting Sports USA - May 2018

Contents
Shooting Sports USA - May 2018 - Cover1
Shooting Sports USA - May 2018 - Cover2
Shooting Sports USA - May 2018 - 3
Shooting Sports USA - May 2018 - 4
Shooting Sports USA - May 2018 - 5
Shooting Sports USA - May 2018 - Contents
Shooting Sports USA - May 2018 - 7
Shooting Sports USA - May 2018 - 8
Shooting Sports USA - May 2018 - 9
Shooting Sports USA - May 2018 - 10
Shooting Sports USA - May 2018 - 11
Shooting Sports USA - May 2018 - 12
Shooting Sports USA - May 2018 - 13
Shooting Sports USA - May 2018 - 14
Shooting Sports USA - May 2018 - 15
Shooting Sports USA - May 2018 - 16
Shooting Sports USA - May 2018 - 17
Shooting Sports USA - May 2018 - 18
Shooting Sports USA - May 2018 - 19
Shooting Sports USA - May 2018 - 20
Shooting Sports USA - May 2018 - 21
Shooting Sports USA - May 2018 - 22
Shooting Sports USA - May 2018 - 23
Shooting Sports USA - May 2018 - 24
Shooting Sports USA - May 2018 - 25
Shooting Sports USA - May 2018 - 26
Shooting Sports USA - May 2018 - 27
Shooting Sports USA - May 2018 - 28
Shooting Sports USA - May 2018 - 29
Shooting Sports USA - May 2018 - 30
Shooting Sports USA - May 2018 - 31
Shooting Sports USA - May 2018 - 32
Shooting Sports USA - May 2018 - 33
Shooting Sports USA - May 2018 - 34
Shooting Sports USA - May 2018 - 35
Shooting Sports USA - May 2018 - 36
Shooting Sports USA - May 2018 - 37
Shooting Sports USA - May 2018 - 38
Shooting Sports USA - May 2018 - 39
Shooting Sports USA - May 2018 - 40
Shooting Sports USA - May 2018 - 41
Shooting Sports USA - May 2018 - 42
Shooting Sports USA - May 2018 - Cover3
Shooting Sports USA - May 2018 - Cover4
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