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"re-seating" factory ammo #6947125 11/05/17 08:13 PM
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Olshovel Offline OP
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Has anybody here ever siet up your dies to reseat a box of factory ammo so that all of the rounds have the same overall length? I have not started reloading yet, just reading a lot about it now and wondered if the factory ammo would be more consistent if they were all the same length. The box of Winchester Deer Season XP i got for my 3006 have some variation in lengths, especially when compared to a box off Sig Match ammo that I have for my 308. Would it be worth the trouble?

Re: "re-seating" factory ammo [Re: Olshovel] #6947178 11/05/17 08:48 PM
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How are you measuring would be the first question that comes to mind. If you are checking from base of case to bullet tip variance is to be expected.
But to answer your question highly doubtful it would help IMO


"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

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Re: "re-seating" factory ammo [Re: Olshovel] #6947185 11/05/17 08:56 PM
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I was checking from base to tip, I started checking because I could see differences in how much of the cannelure was showing.

Re: "re-seating" factory ammo [Re: Olshovel] #6947274 11/05/17 10:19 PM
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earl39 Offline
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Reseating factory ammunition that has a crimp can cause all kinds of problems including but not limited to bulged case or crushed shoulder.


"And you shall know the truth, and the truth shall make you free.” John 8:32 (New King James Version)
Re: "re-seating" factory ammo [Re: Olshovel] #6947425 11/06/17 12:32 AM
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Originally Posted By: Olshovel
I was checking from base to tip, I started checking because I could see differences in how much of the cannelure was showing.


That’s just as likely due to variance in Brass length as seating depth.


"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

Jack O'Connor 1963
Re: "re-seating" factory ammo [Re: DStroud] #6947578 11/06/17 02:13 AM
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Originally Posted By: DStroud
Originally Posted By: Olshovel
I was checking from base to tip, I started checking because I could see differences in how much of the cannelure was showing.


That’s just as likely due to variance in Brass length as seating depth.


Had to laugh...funny, but sad too. Factory ammo can be like a box of chocolates.

The way to tell would be to use a caliper with a comparator.


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Re: "re-seating" factory ammo [Re: RiverRider] #6947586 11/06/17 02:17 AM
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Originally Posted By: RiverRider
Originally Posted By: DStroud
Originally Posted By: Olshovel
I was checking from base to tip, I started checking because I could see differences in how much of the cannelure was showing.


That’s just as likely due to variance in Brass length as seating depth.


Had to laugh...funny, but sad too. Factory ammo can be like a box of chocolates.

The way to tell would be to use a caliper with a comparator.


Yup.

Going to the tip will give a variation in lengths, even if you were measuring bullets all by themselves.


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Re: "re-seating" factory ammo [Re: Olshovel] #6947852 11/06/17 12:35 PM
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No, it won't help. Trust me, the variation in case length is nothing compared to what's inside!!!

Measuring the length tells you nothing, since bullets alone will vary in length, especially a lead soft point or HP. If the canelure is showing, and you can see a variation on that, that could be a difference in brass length.

Or most likely, It's the low cost of the rounds you are shooting.

If you want something match grade, let me know. I know a guy who does this.


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Re: "re-seating" factory ammo [Re: ChadTRG42] #6947909 11/06/17 01:37 PM
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Originally Posted By: ChadTRG42
If you want something match grade, let me know. I know a guy who does this.


Yeah, Judd and I are pretty badazz.





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Re: "re-seating" factory ammo [Re: Olshovel] #6947945 11/06/17 01:56 PM
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LOL!!


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Re: "re-seating" factory ammo [Re: Olshovel] #6948211 11/06/17 04:18 PM
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Its a wonder factory ammo even shoots at all isn't it rolleyes

amazing how many people shoot it with no problems what so ever. Sometimes I think we need to realize the people shooting the legal around here definition of long range are the exception and very far from the rule.


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Re: "re-seating" factory ammo [Re: Olshovel] #6948262 11/06/17 04:35 PM
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I've seen differences in cannelure location on bullets from the same box.


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Re: "re-seating" factory ammo [Re: Olshovel] #6955664 11/11/17 06:14 PM
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Uniform neck tension never hurts,nor does a uniform relationship with the throat. Pulling/reseating Factory Fodder,will reliably increase accuracy and reduce ES/SD. Doubly so,when COAL latitude allows a Smooch.

Mexican Match is obviously an oft used ploy,to bolster issued performance.

Hint...............

Re: "re-seating" factory ammo [Re: ChadTRG42] #6965509 11/19/17 01:15 PM
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Originally Posted By: ChadTRG42
No, it won't help. Trust me, the variation in case length is nothing compared to what's inside!!! .


I bought some Nosler Trophy grade factory Ammo for a 280 ai and took measurements. The powder charge was off by 2plus grains between the twenty I measured with only two rounds being the same. The overall length, measured to the ogive, was off by .09 but brass was super consistent.

Re: "re-seating" factory ammo [Re: Olshovel] #6965622 11/19/17 03:18 PM
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I have several older foreign military rifles. I have often taken surplus ammo, pulled bullets and dumped the powder into a container, then came up with a new load using the original powder and with new hunting bullets. I would weigh and sort the new bullets, but I have done the same with the original pulled bullets as well. My final load would not be match grade of course, but it does give me a very inexpensive ammo for general hunting and for fun target shooting that is more accurate than most factory ammo. I don't see why the same could not be done to improve a bad batch of factory ammo.

Re: "re-seating" factory ammo [Re: Olshovel] #6965690 11/19/17 04:42 PM
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