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260 rem help |
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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Posted: June/25/2008 at 18:10 |
I recently start reloading for my kimber montana in 260 rem., I'm using once fired remington brass and 140gr. corelok bullets seated to 2.787. I'm also full length resizing using a lee die. the problem i'm haveing is that after relaoding to these specs the bolt won't close. For kicks I reloaded unfired remington brass to the same specs and low and behold no problems, do I have a faulty set of dies
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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Big Squeeze
Optics Master Extraordinaire GOOGLE NINJA Joined: August/30/2007 Location: Anaheim, Calif. Status: Offline Points: 3143 |
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The same thing happened to me reloading my 300 WSM! I use RCBS dies!........Try screwing in your full size die in about another 1/4 turn AFTER it touches the shell holder when your handle is on the down stroke. I did that and it solved my problem!
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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I tried number of things, including trying to resize the shell "deeper", but it crushed the shoulder.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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silver
Optics Master Joined: November/04/2005 Location: United States Status: Offline Points: 2291 |
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Coat the once fired case in dyekumblue and chamber it without the bullet. Then start looking for marks.
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"If we weren't all crazy we, We would go insane." Jimmie Buffet
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RifleDude
MODERATOR EVIL OPPRESSOR Joined: October/13/2006 Location: Texas Status: Offline Points: 16337 |
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That's a good suggestion.
Jeff, did you check the case OAL and trim if needed? The brass may have grown in length and resizing won't change the case mouth. Did you chamfer the mouth both inside and out? It's possible you may have burrs that are causing your neck to be too tight.
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Ted
Money can't buy happiness... but it's much more comfortable to cry in a Porsche than on a bicycle. |
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ckk1106
Optics Master Joined: December/14/2007 Location: Arizona Status: Offline Points: 1439 |
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Let us know once you get it figured out. I'm always interested in finding out the cause of reloading problems. The couple times I've had that problem was once I didn't FL resize the case enough. The other time my crimping process distorted the bullet or case enough to not let the round chamber. Good luck, though.
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Dale Clifford
Optics Jedi Knight Joined: July/04/2004 Location: United States Status: Offline Points: 5087 |
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could be
web dimension of kimber is non-standard
shoulder angle of die or chamber is different
length from case base to shoulder angle of kimber is shorter, ,or die longer.
sometimes presses have "slop" in the last part of the arm through. seat the FL die down past the "throw" of the arm so the case is being sized before the press arm bottoms out.
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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For some reason I believe it is crimping problem, but I'm still going through the trial & error process.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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Turned out to be a crimping problem, but it only occurs using the 140gr rem pspcl and not on hornady 129gr interlocks? Oh well.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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ckk1106
Optics Master Joined: December/14/2007 Location: Arizona Status: Offline Points: 1439 |
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How come you're crimping?
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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I'm not anymore, at least with this bullet combination, you don't crimp?
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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ckk1106
Optics Master Joined: December/14/2007 Location: Arizona Status: Offline Points: 1439 |
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The only thing I crimp is my 44 rem mag. I"ve only been reloading for a short period of time, and I had a similar problem as you until somebody told me that I didn't need to crimp most cartridges. |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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i wouldnt crimp anything unless it was a heavier recoiling rifle that had a tubular magazine.
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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Thanks, I going to rethink my reloading practices and not crimp, I just thought it was commen practice to crimp. Silly me, I'm glad I have you guys to keep me straight,
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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BeltFed
Optics Retard Joined: February/12/2008 Location: Ky Status: Offline Points: 22287 |
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If you must crimp for say a semi-auto you might try a taper crimp die or Lee's collet crimp die. These dies don't buldge the case neck when you crimp and don't need a cannalure in the bullit.
I give a slight taper crimp to my 223s because they go through gas guns.
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Life's concerns should be about the 120lb pack your trying to get to the top of the mountain, and not the rock in your boot.
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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thats a good point, i dont own any semi auto hunting rifles so i didnt even consider that, my bad!
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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