Shooting Sports USA - May 2018 - 26

FEATURE | RIMFIRE

You may actually find that sorting regular
lower cost ammunition via the Neil Jones
device will get you what you need at a much
lower cost than match ammo. Using the device
with just a few rounds of practice will have
you sorting between four to eight rounds a
minute. Yes I know this all sounds like a pain,
and it is, but it is easier, cheaper, and less time
consuming than hand loading for high power
or BP. To make the time pass a little easier,
you can kick back in your living room, sorting
various rim thicknesses into cupcake pan
pockets while watching television.
Does rim thickness really make a difference
however? It was huge for my rifles. In
fact, just a 1/1000-inch in my Remington
mattered, like going from 0.041 rim to a
0.042. Personally I found my sporter rifle liked
thicker rims, which corresponded to just a
fraction under the actual headspace. You need
not know your headspace, etc.-see which
size rim gives you the best performance from
a certain brand and batch of ammo.
Go out and buy some stuff, run it through a
gauge, then test it. If you get a clear accuracy
winner, buy a case of it or more, and sort
it for bigger or more important matches.
Remember, rimfires are sealed at the ignition
end, and well crimped and lubed at the
pointy end, so moisture can't really affect the
components inside like common centerfire.
Kept at 45-85 degrees, rimfires have a very
long shelf life in terms of years.
You will find that good match grade ammunition will not vary much in rim thickness within
the same lot-which is part of the accuracy
component you are paying for. Does this attention to detail matter? It did for me, and does
for anyone who wants to perform at their best
against others at the same level.

26

MAY 2018 | SSUSA.ORG

Author's partial hoard of best shooting ammunition for
his particular rifles. The numbers indicate rim thickness
for those particular boxes and ammunition he has
specifically marked for match competition.

Some bullseye shooters in marksman and
sharpshooter class, or B, A, AA in silhouette,
may say they are not good enough to shoot
the good stuff. To them, I say you still have
to win your class/category, don't you? If the
other shooter is shooting good stuff, whether
match, sorted, or both, and you're getting
beat, ammunition may be the one detail
setting you back.
Thus, if you can, use the better stuff for
testing and sort the lesser stuff, find out what
works best for you-then buy a ton of it. If
you sort via rim thickness (headspace), the
rejects are still good dirt killers, right?
The folks at Lapua set up a distribution
center in Arizona years ago. Even better,
in 2012 they set up a rimfire ammunition
testing center that is available to everyone,
not just Olympians. You can visit in person


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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 - 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
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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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