Shooting Sports USA - May 2018 - 30

FEATURE | REMINGTON

Remington Primers Velocity Chart
Ten shots were fired with each load. Velocity is the average of 10 shots and was recorded with a
Shooting Chrony chronograph at about 8 feet. The test gun was a custom Para Ordnance pistol with a
5" ramped Kart 9mm barrel.

Powder

Powder Weight (gr)

Primer

Velocity (fps)

Primer Flow

Flat Firing Pin Strike

CFE-P

5.0

1 1/2

1131

0

0

CFE-P

5.0

5 1/2

1133

0

0

CFE-P

5.0

CCI 500

1129

0

0

CFE-P

5.5

1 1/2

1251

5

1

CFE-P

5.5

5 1/2

1263

2

0

CFE-P

5.5

CCI 500

1248

0

0

CFE-P

6.0

1 1/2

1322

9

5

CFE-P

6.0

5 1/2

1329

6

0

CFE-P

6.0

CCI 500

1320

8

0

handle the same amount of pressure as the
5½, or other brands of small pistol primers
that don't have warnings about using them
in particular cartridges.
What happens if you use 1½ primers in loads
that you shouldn't? Excessive flow of primer
metal can result in some of it being sheared off
and ending up in your firing pin hole. This can
block the firing pin, resulting in misfires.
Pierced primers can instantly plug the firing
pin hole and can also result in firing pin and
breech face erosion from hot, high pressure
gas. Gas erosion is bad news for your gun. An
eroded firing pin tip will itself cause pierced
primers, because of its uneven shape.
There is also the potential that you, the
shooter, are at risk of getting a blast of hot
gas and primer metal in the face. Obviously
this could have serious consequences,
including eye damage. Always wear safety
glasses when shooting anything!
Loads were assembled in 9mm Luger
ammunition to demonstrate how 1½ primers

30

MAY 2018 | SSUSA.ORG

respond to pressure. Winchester 124-grain
FMJ bullets were loaded to 1.130-inch overall
length with three different charge weights
(5.0, 5.5 and 6.0 grains) of Hodgdon CFE
Pistol in Starline brass. Three primers were
used, Remington 1½, 5½ and CCI 500.
The low charge weight of CFE Pistol, 5.0
grains, is a mid-range load. The 5.5-grain
load is near the maximum standard pressure
or a +P load, depending on which manual
one consults. The high charge weight, 6.0
grains, is a +P+ load and is safe ONLY in
pistols specially designed to handle this type
of pressure. It was included to test primer
reaction to very high pressure. Do NOT use
this load in your 9mm pistol. Always follow
load data from a loading manual.
All three primers produced similar
velocities for a given charge weight. The 5½
primer produced a little more speed (12+
fps) than the other primers with the 5.5-grain
load, but not so much with the other loads.
At the low charge weight, none of the


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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
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Shooting Sports USA - May 2018 - 20
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Shooting Sports USA - May 2018 - 25
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Shooting Sports USA - May 2018 - 28
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Shooting Sports USA - May 2018 - 30
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Shooting Sports USA - May 2018 - 35
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Shooting Sports USA - May 2018 - 37
Shooting Sports USA - May 2018 - 38
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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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