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Post by Kyle on Dec 9, 2016 13:08:04 GMT -5
There has been a lot of discussion about bullet spring back lately. My question is what do you think makes a bullet spring back? The copper, the lead, poor craftsmanship, the presence of air voids, the absence of air voids. Just curious as to your perceptions.
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Post by dennis on Dec 9, 2016 15:03:16 GMT -5
JMO I worked in a big scrap yard in the precious metals dept. years ago,and I believe lead is maybe the culprit due to being softer it would seem to me that expansion due to heat or oxidation at whatever level it might happen differently with different alloys.Also if anything is added to the copper in the jacket to make it harder that could maybe cause spring back,but I would opt for it being in the lead core because the mono bullets from what I have read are not having this issue.Lead is a weird metal and other metals are usually added to harden it further complicating the issue.
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Post by Richard on Dec 9, 2016 17:06:38 GMT -5
I have Barnes TEZ's that were sized many months ago and there is no semblance of spring back. Yet, with Kyle's bullets I don't seem to "notice" any spring back...........if there is, the fact that the jacket is thinner than bullets such as the Hornady's XTP, SST and FTX might be the reason and springback is not noticed. So for me, I would say the mono's do not exhibit spring back at all.
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Post by doug136 on Dec 9, 2016 18:18:18 GMT -5
I figured it was the lead because I have had Kyle's bullets spring back . In order to get my best accuracy out of my Hankins with Kyle's bullets and Blackhorn my fit has to be pretty sung . So if I get any spring back at all I definitley notice it . I know Kyle makes his bullets with quality everything ( copper and lead ) also know that Kyle is a quality control freak so I know it's not air voids. So basically in my mind that leaves the lead ? Am I correct Kyle ?
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Post by Richard on Dec 9, 2016 21:02:42 GMT -5
What happened to the category of "mono bullets with no spring back" that I voted on earlier this evening?
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Post by Kyle on Dec 9, 2016 21:07:13 GMT -5
Lead is a strange metal. For one - about 30 days after lead changes from a molten state to a solid state the hardness will go up. I firmly believe that lead is the element that makes bullets spring back. I also believe that oxidized barrel fouling is often mistaken for spring back to some degree. My die and press go where my muzzleloader goes. I only size the bullets that I plan to shoot in a very short time frame, normally 3 to 6 at a time.
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Post by Kyle on Dec 9, 2016 21:09:08 GMT -5
What happened to the category of "mono bullets with no spring back" that I voted on earlier this evening? It still looks there to me.
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Deleted
Deleted Member
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Post by Deleted on Dec 9, 2016 21:33:20 GMT -5
What happened to the category of "mono bullets with no spring back" that I voted on earlier this evening? Did NC pass that medical marijuana bill already..............
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Post by Richard on Dec 9, 2016 21:59:46 GMT -5
Sorry, I thought there was a category for Mono's that don't spring back! Something changed! No drugs Rambler.
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Post by dennis on Dec 10, 2016 7:32:07 GMT -5
On my screen it is now not showing copper jacketed lead with spring back.Is someone editing the original post?
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Post by Kyle on Dec 10, 2016 7:46:55 GMT -5
On my screen it is now not showing copper jacketed lead with spring back.Is someone editing the original post? No changes have been made by me to the original post / poll answers.
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Post by 150class on Dec 10, 2016 9:21:13 GMT -5
On my screen it is now not showing copper jacketed lead with spring back.Is someone editing the original post? No changes have been made by me to the original post / poll answers. I still see all of them too.
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Post by markb317 on Dec 10, 2016 11:21:32 GMT -5
I have 270 E-Max bullets that have been sized for a year that still go down the barrel the same also have some 335 APB full formed from over a year that still fit fine. Have not had a issue with spring back with any of Kyles bullets.
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Post by dannoboone on Dec 10, 2016 12:09:52 GMT -5
My vote went for monolithics with no spring back, but shoot lead core as well. This year I finally got 245 Barnes Spitfires to group well and used one of them on a small cull buck.....smack down, DRT.
Last spring, I sized some 275 Accumax's to one-handed loading pressure but didn't shoot them until September when they became strong two-handed loading pressure in a clean barrel.......lesson learned!! Had the same problem with 310APB's once in the past, but time between sizing and shooting was less.
Wouldn't it be great to find that magic size in which at first they are too loose but eventually stop springing back at just the correct size??
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Post by dennis on Dec 10, 2016 12:45:04 GMT -5
On my screen it is now not showing copper jacketed lead with spring back.Is someone editing the original post? No changes have been made by me to the original post / poll answers. My bad I was looking at it wrong,I don't wear glasses because it just makes people uglier.
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