[Surplus Rifle.Com's New Article:]
Slug, Measure, & Match: Using the Right Bullet for the Right Barrel Diameter
By Mark Trope & R. Ted Jeo
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PAgunman |
reload surplus with soft points?? |
Lead | |
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Got one quick question ... can we pull FMJ bullets from surplus and reload it with soft points? I used to buy HotShot 150 gr SP 7.62x54R from Century Intl
Arms but---- I have not been able to get it anymore. So --- I was thinking that maybe I could pull 147 FMJ bullets from surplus rounds and replace it with 150
gr - 154 gr SP .... I have yet to reload 7.62x54R but--- If this is my way of getting 150gr SP ....... Any feedback? Any thoughts?
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glock357x2 |
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I have pulled the factory bullet and replaced them with SP 'PROVIDED' -emphasis added- I reloaded with the same weight of bullet and with a bearing
surface as close to the original as possible. But be aware, this was MY ammunition fired in MY rifles by ME; not for anyone else to endure the risks.
Thanks |
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mauserand9mm |
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It's always better to be cautious and reduce the charge a little bit, like glock357x2 wrote, it's not just the different bullet weight but also the
bearing area (and maybe even jacket hardness?). Just remember it's difficult to grow back a new face
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akitaholic |
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Another thing that could be done if you're reducing the charge is to even-out the charge weights. Some surplus, and even commercial, ammo has pretty uneven
weights, and this would help accuracy.
'holic |
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eli griggs |
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I suggest you look at this thread/article by Ed Harris on "The Load" and see if it answers some of your questions.
At the very least, it should provide some useful insights into loading for the .30 caliber in general. Eli
"Those who hammer their guns into plows will plow for those who do not." ~ Thomas Jefferson ~
"In the middle of difficulty lies opportunity". - Albert Einstein WANTED - Lee Loaders - 6.5 Swede Mauser, 7.5 Swiss, 7.62x39, 7.62x54r, .303 Brit WANTED- Turkey and Goose feathers for fletching arrows |
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doug henry |
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Determining the condition and performance of the original surplus rounds is a starting point.
Felt recoil, muzzle velocity, over pressure signs and reliability will provide a base line from which to adjust powder charge with the new bullet. As stated, reducing powder charge and consistent charges are excellent advice. Ed Harris The Load are light loads of pistol powder however as stated there is a great deal of useful information there. |
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dutchmills |
Mexican Match | ||
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Back in the '70's when I was shooting High Power competition for the military, we would pull the bullet from 7.62 Nato, National Match ammo (174 grain
BT) and replace it with the Sierra 168 grain BTHP, no changes to the powder charge. This was the preferred load for 600 yards with the M-14. I believe the
standard for NM ammo at that time was 3 inches at 100 yards, The Sierra bullet would group much tighter at allmost any range. We called this ammo "Mexican
Match" DM
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Colin |
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Dutchmills: The term 'Mexican Match" may go back a good deal farther than that, and may have oroginated here in El Paso. There was a lot of high
power rifle shooting going on in this area in the late 40s and early 50s. In fact there was an article on it in the Amnerican Rifloeman, sometime in the late
40s or early 50s. I wish I'd kept my copy. One of the shooters, in fact, Helen Orme-Johnson, who died a few years ago, set some national records for
women that may still stand today. Shooting conditions in El; Paso will give you plenty of practice in doping wind and reading mirage. In the mid 1950s, the
government was practically giving away tons of US 30-06 AP ammo from WW II before it went bad. It was available through the DCM for practically nothing. High
power shooters liked it better than M2 ball as the 165 gr bullet held the wind better than the 152 gr bullet of the M2. However Sierra developed a 168 gr
match bullet in some secrecy to spring on the world at the next Olympics (Australia?). After that it became available commercially as the Sierra MatchKing.
Shooters found they could pull the AP bullets from GI 30-06 and replace with the Sierra and get a startling increase in accuracy. Pressure wasn't a
problem for several reasons. This practice resulted in what was called 'Mexican Match' ammo. It was only a hair less accurate than the much more
expensive GI match ammo.
Last Edited By: Colin
06/05/09 12:31 AM.
Edited 1 times.
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dutchmills |
wind in El Paso | ||
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Right you are Colin, having done many weekend shoots and summer camps at Ft. Bliss back in the '80's with the Texas Guard, The wind, she do blow!!
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Colin |
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When I first qualified with the carbine, back in 1956, it was March in El Paso and the wind was blowing. We couldn't see the targets from the 200 yd line
for the blowing sand, and they finally quit when the wind was strong enough to knock over the targets.
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dutchmills |
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Some things remain a constant, the wind in West Texas being one of them!!
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John Doe |
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If you are going to a heavier bullet, it would be wise to decrease the powder charge by two or three grains for every every ten grain increase in bullet
weight.
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