303 reloading question |
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Zed
Special Member Donating Member Joined: May 01 2012 Location: France Status: Offline Points: 5585 |
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I use Remington Brass; I load the new brass to shoot, which is effectively the same as the standard military rounds. When reloading the brass after it has been used, I check the length, as they do need trimming quite often. Then neck size only and reload. I do not use an O ring, I do not see the necessity if the rifle chamber is within spec. If it is out of spec, I would not want to shoot it anyway! The chamber sizes can vary between rifles so if you have more than one rifle, it maybe worth having sets of ammo for each weapon. I have not seen much difference in accuracy between new and used brass yet, but I am just starting out so have not as much experience as other members here. I don't get much chance to shoot long distance, where the difference may be more apparent.
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It's nice to be important, but it's more important to be nice!
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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I found the Winchester brass hard & brittle. Most had neck splits after just a few reloads. The Rem seemed not as brittle in the neck area, but still had the base size issue, maybe its resizing easier because its softer at the neck?The Prvi had neither & I'm on my 8th reload for at least one lot of it.
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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muffett.2008
Senior Member Joined: December 09 2011 Location: scone. nsw Status: Offline Points: 751 |
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The problem with Winchester brass is that it is slightly undersize.
This fired in an excessively oversize chamber creates all sorts of problems, swollen bases, ruptured cases stretched and deformed necks and cases etc.
If used in a match grade chamber with tight tolerence it is not an issue. The problem with Winchester is that they try to please everybody and in the long run please nobody. |
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archertiger3
Groupie Joined: July 14 2012 Location: kansas Status: Offline Points: 21 |
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where does hornady and federal brass place on the list? |
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MAG=SKYRIM
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Cookie Monster
Special Member Joined: January 22 2006 Location: United States Status: Offline Points: 7510 |
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Yes tell us
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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"Where does Hornady and Federal brass place on the list?"As I haven'tried either it would be a (bad) guess on my part. Anyone who'se actually used these care to comment?
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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303Guy
Senior Member Joined: July 10 2012 Location: Auckland Status: Offline Points: 495 |
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Nothing wrong with Prvi brass.
Setting the head-space on the shoulder is not the only reason for fire-forming with the O-ring. Centering the case in the chamber is probably the most important reason. Simply lubing the case will prevent or lessen case elongation is the head-space is 'normal'. With regular neck annealing the case should last fore-ever. I only ever lost cases to neck splitting or the long grass. Mostly neck splits. Then I started annealing and that went away. But I always lube my loaded cases! See my thread on lubing cases.
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303Guy
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Cookie Monster
Special Member Joined: January 22 2006 Location: United States Status: Offline Points: 7510 |
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In 30 + years of shooting and reloading I have never used or heard of this O-ring method
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303Guy
Senior Member Joined: July 10 2012 Location: Auckland Status: Offline Points: 495 |
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It's new to me too. I only heard of it about a year or two ago.
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303Guy
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Cookie Monster
Special Member Joined: January 22 2006 Location: United States Status: Offline Points: 7510 |
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What are the advantages?
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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Its supposed to force thin rims back towards the bolt face so the case blows out more into oversized chambers, or into off-center chambers. This in turn is suggested to extend case life by minimizing stretch in subsequent firings by having the case supported at the neck.
No-one has ever explained to me why just firing normally then only partial resizing won't do the exact same thing.
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Cookie Monster
Special Member Joined: January 22 2006 Location: United States Status: Offline Points: 7510 |
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My thoughts are if you need to O-ring the brass because of loose chamber, then retire the rifle,
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SW28fan
Special Member Donating Member Joined: July 02 2007 Location: Texas Status: Offline Points: 2951 |
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Ditto!
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Have a Nice Day
If already having a nice day please disregard |
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Cookie Monster
Special Member Joined: January 22 2006 Location: United States Status: Offline Points: 7510 |
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Or repair !
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archertiger3
Groupie Joined: July 14 2012 Location: kansas Status: Offline Points: 21 |
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I just got my dies in the mail. now i need to get some powder and i can reload some of those 148 gr surplus rounds. i just hope i get good accuracy out of my 2 groove barrel with boat-tails
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MAG=SKYRIM
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Cookie Monster
Special Member Joined: January 22 2006 Location: United States Status: Offline Points: 7510 |
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Remember start at the very minimum load, shoot and group, creep up on you sweet load, load ten at a time check grouping and go from there. Second thing to remember the hottest and badest load your rifle can stand is NOT necessarily the most accurate. Take you time and be very careful. Always do everything the same way every time. Inspect and check everything all the time everytime, if in doubt do not use. Good Luck
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