Shooting Sports USA - January 2018 - 16

PRODUCT FOCUS

precision and consistency. It's also, speaking
from experience, a time-consuming pain in
the patootie. Its real, practical application is
perhaps less in the field of precision shooting
and more about simply getting the most
reloads from cartridge conversions and from
expensive, obsolete brass cases before they
suffer neck or shoulder splits.
But annealing benefits precision shooters
too, in providing consistent neck tension on
bullets for more consistent velocity, equating
to smaller shot groups. The key words here are
"precision" and "consistency," and we aren't
going to get that from the pie-pan-and-torch
method, especially compared to utilizing the
computer-controlled annealing of the AMP.

CREATING CONSISTENCY
The AMP annealer works without an external
heat source, instead utilizing magnetic fields
to heat the brass in a process called induction
heating. Keeping an explanation as simple as
possible, in the AMP standard house current
powers electromagnets, the magnetic fields of
which oscillate at high frequency. Insert a brass
case into the rapidly oscillating magnetic fields
and they create an eddy current inside the
brass; the resistance of the brass to the eddy
current causes the brass to heat.
It's the same principle that makes a kitchen
induction stove heat pots and pans. The trick
with precisely annealing brass cartridge cases
is to create exactly the right amount of heat in
only the neck/shoulder area, and the reason
precision is tricky is that not all brass is made
to the same thickness, nor of exactly the same
composition (brass is roughly 70 percent
copper and 30 percent zinc).
For this reason the AMP annealer is
computer controlled and very specific to a

16

JANUARY 2018 | SSUSA.ORG

Select the computer program, insert the case for a few
seconds, and it's done.

particular manufacturer's cartridge case-and
sometimes even to a specific lot number. AMP
has spent and still spends considerable time
and effort in testing thousands of cases so
that users can program their AMP annealer to
those specific cases. The software is built into
the AMP annealer, and reprogramming by
the handloader consists of simply punching
in a predetermined setting as a number on
the machine's visual display. AMP provides
a lengthy list of specific factory cases and
settings to the user, but consider that neck
turning or reaming changes the geometry of
cases and their response to electromagnetic
field intensity-remember, we're talking in
scales of ten thousandths of an inch down
to essentially a molecular level. To precisely
anneal cases, it's necessary to send samples
to the company for analysis so that AMP can
provide the user the best program for their
cases. AMP analyzes cases at no cost to the
customer (beyond shipping) and adds that
new program to its expanding list available
online to all AMP annealer users. A USB cable


http://www.SSUSA.ORG

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

In This Issue
Shooting Sports USA - January 2018 - Cover1
Shooting Sports USA - January 2018 - Cover2
Shooting Sports USA - January 2018 - 3
Shooting Sports USA - January 2018 - 4
Shooting Sports USA - January 2018 - 5
Shooting Sports USA - January 2018 - In This Issue
Shooting Sports USA - January 2018 - 7
Shooting Sports USA - January 2018 - 8
Shooting Sports USA - January 2018 - 9
Shooting Sports USA - January 2018 - 10
Shooting Sports USA - January 2018 - 11
Shooting Sports USA - January 2018 - 12
Shooting Sports USA - January 2018 - 13
Shooting Sports USA - January 2018 - 14
Shooting Sports USA - January 2018 - 15
Shooting Sports USA - January 2018 - 16
Shooting Sports USA - January 2018 - 17
Shooting Sports USA - January 2018 - 18
Shooting Sports USA - January 2018 - 19
Shooting Sports USA - January 2018 - 20
Shooting Sports USA - January 2018 - 21
Shooting Sports USA - January 2018 - 22
Shooting Sports USA - January 2018 - 23
Shooting Sports USA - January 2018 - 24
Shooting Sports USA - January 2018 - 25
Shooting Sports USA - January 2018 - 26
Shooting Sports USA - January 2018 - 27
Shooting Sports USA - January 2018 - 28
Shooting Sports USA - January 2018 - 29
Shooting Sports USA - January 2018 - 30
Shooting Sports USA - January 2018 - 31
Shooting Sports USA - January 2018 - 32
Shooting Sports USA - January 2018 - 33
Shooting Sports USA - January 2018 - 34
Shooting Sports USA - January 2018 - 35
Shooting Sports USA - January 2018 - 36
Shooting Sports USA - January 2018 - 37
Shooting Sports USA - January 2018 - 38
Shooting Sports USA - January 2018 - 39
Shooting Sports USA - January 2018 - 40
Shooting Sports USA - January 2018 - 41
Shooting Sports USA - January 2018 - 42
Shooting Sports USA - January 2018 - 43
Shooting Sports USA - January 2018 - 44
Shooting Sports USA - January 2018 - 45
Shooting Sports USA - January 2018 - 46
Shooting Sports USA - January 2018 - 47
Shooting Sports USA - January 2018 - 48
Shooting Sports USA - January 2018 - 49
Shooting Sports USA - January 2018 - 50
Shooting Sports USA - January 2018 - 51
Shooting Sports USA - January 2018 - 52
Shooting Sports USA - January 2018 - 53
Shooting Sports USA - January 2018 - 54
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