#1
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17 hornet observation
reloading the 17 hornet seems to be straight forward as cartridges go. I did notice one oddity, it's a good thing it's a rimed case. factory loaded cartridges are .011 shorter at the shoulder than a fired case, reloaded cases are within .001 of fired cases.
makes you ask the question why do some rifles shoot factory ammo in a 17 hornet light out? sure wouldn't like to worry about case life if the shoulder was to be pushed back on a regular basis. just my rambling thoughts.
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I post here because it keeps the riffraff away. 'Life's Journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting, Holy sh!t... What a Ride! |
#2
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I think the issue is the different chambers being used in different rifles. Don't have a 17 Hornet but have four 22 Hornets, and their chambers vary widely. The Ruger No.3 is huge/sloppy and the Kimber M82 is pretty tight. The Ruger gets 3 reloads before annealing, while the Kimber can make it to 15+ reloads until it needs annealing. I neck size only, and segregate the brass to the rifle.
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#3
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I'm surprised they don't split at the web, with .011" slop between the base and the shoulder.
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Daryl |
#4
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Quote:
The new Win brass I necked to .17 needed annealing in .17AH after 3shots, including FF. Thus, chamber size and shape sure makes a difference. The CZ and the Ruger #1 had very tight chambers in neck diameter and case length.
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Daryl |
#5
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Nature of the rimmed/belted design, it headspaces off the rim or belt, not the shoulder. Undersized by a bunch, shallow tapers, maybe chambering in a dirty rifle was a design criteria?
.011" ain't nuttin', try a 303 Brit. |
#6
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I've been shooting Hornets since 1968 & loading for wildcats since 1978. I have
an idea about headspacing. I am also aware that many .303's sepearte on the second or third loading, same as .300 & 7mm. Mags. when people rely up on the rim or belt for headspacing. I also know the Hornet brass is the weakest brass made today in CF. I also know that .22 Hornets with that much slop - as in my first .22 Hornet BRNO separated at the web with .012" slop, shoulder to base on factory ammo, but 0.003" on the rim.
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Daryl |
#7
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i guess the question should be is the factory ammo length correct or is the cz chamber length correct? I set the die to touch the shell holder and cam over and the shoulder is pushed back .001, that said I guess I could have turned it on down and pushed the shoulder back another .010.
__________________
I post here because it keeps the riffraff away. 'Life's Journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting, Holy sh!t... What a Ride! |
#8
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I would trust the chamber/die measurement more than the length of a factory case. If the factory case is/was true, then your dies are way out.
The headspace on a factory rimless case is only .006/7", CIP and SAAMI. You could always sacrifice a case and section a fired factory case to see if it is stretching at the web.
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Daryl |
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