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what to do with 150 loaded rounds that wont stabilize due to wrong twist rate?
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I admit the only thing worse that igorant is stupid...

after sizing, neck turning, and then resizing, all my new lot of russion 220 Lapua brass, and then throwing powder and handloading 150 6PPC with the varmint grenade bullets, I discovered the hard way that my rifle is 1 in 13" twist. too slow for the 62 grain varmint grenades...

My wife suggested I do a little break-dance before shooting, to get more twist from the rifle into the bullet.

I wonder if I shot from a rotating drum?

interesting keyhole patterns.

now its shoot off 150 rounds just to make them pop, or beat on the sidewalk for an hour to pull them.

or buy a collet type bullet puller for 6mm.

tried both my 6ppc rifles, and they are both same twist...

nice keyholes groups in a circle about 12 inches outside the bull. perhaps at 600 yards they may stabilize?
 
Posts: 902 | Location: Denver Colderado | Registered: 13 May 2001Reply With Quote
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Your rifle should shoot them if it is a 6mm.
I have a 6X47 with 14" twist and it shoots 70 and 75 grain bullets into tiny groups. Are you sure your bullets are only 62 grains? Are you sure your twist is 13"?
My rifle keyholed with 85 grain bullets.
 
Posts: 13978 | Location: http://www.tarawaontheweb.org/tarawa2.jpg | Registered: 03 December 2008Reply With Quote
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quote:
buy a collet type bullet puller for 6mm

A collet puller will handle them pretty quick.


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
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Well Barnes recommends a 1:10 or faster for these bullets:
http://www.barnesbullets.com/p...fle/varmint-grenade/

However, I'd be tempted to either load them up hotter, but of course that means pulling them or if you have a grinder or sander you could experiment with making a jig and taking an eighth or so off the tip as an experiment to see if at least that would help them stabilize.

However, the best (meaning fastest) way to pull them is to use a press and remove the die, then run the cartridge up and grip the bullet with a pair of wire cutters or the cutter part of linesmans pliers and then lower the cartridge and out comes the bullet. Don't squeeze too hard and you won't mark the bullet enough to affect accuracy at all.


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Posts: 7776 | Location: Between 2 rivers, Middle USA | Registered: 19 August 2000Reply With Quote
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Now that is a great idea. I have those tools on hand. then just resize with bushing die, and I can replace bullets without losing powder...

adn do not need wait for a collet puller die...

Mark I like it!!

Jameister
 
Posts: 902 | Location: Denver Colderado | Registered: 13 May 2001Reply With Quote
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the fastest way to pull them is to use the powder in them to do it.....put the cartridge in the rifle and fire them....problem solved!

If you do use a plier type device to pull them (as I do) be certain no part of the plier protrudes into the press threads as it will damage the threads and you'll need to buy a tap to repair them.


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Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003Reply With Quote
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Oh, come on, it's not like you AREN'T going to do something similar again sometime... Big Grin

Just get the collet die. It's the safest way to pull them so you won't hose the bullets up. The pliers or wire cutters method works better if you don't intend to re use the bullets.


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Posts: 1147 | Location: Bismarck, ND | Registered: 31 August 2006Reply With Quote
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spend the money. Get the Hornady. It works great and believe me there will be other times you will need it.

http://www.cabelas.com/link-12...0012539213979a.shtml
 
Posts: 554 | Location: CT | Registered: 17 May 2008Reply With Quote
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I just pulled the first 50. about 7 seconds apiece, and do not need to resize them. there is enough neck tension remaining to just reseat the new bullets. the marks on the bullet are insignificant.

and yes, I may do it again, but why not use the tools I have: four tiny pinpricks on each bullet. these are varmint grenades, not match grade competition or trophy hunt bullets. anyone wants to buy some 225 varmint grenades in .243 caliber from me?

thanks to all.

Jameister
 
Posts: 902 | Location: Denver Colderado | Registered: 13 May 2001Reply With Quote
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I've pulled many bullets using an old "pincers" and have then reloaded them and shot them with no adverse effects at all.....


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Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003Reply With Quote
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quote:
Originally posted by Jameister:
not match grade competition or trophy hunt bullets. anyone wants to buy some 225 varmint grenades in .243 caliber from me?

thanks to all.

Jameister


What do you want for them? popcornroger


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Posts: 10226 | Location: Temple City CA | Registered: 29 April 2003Reply With Quote
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another 50 pulled and replaced with lead core bullets. in the time between these last two posts.

Thanks again Mark. to drive to range, sign in, pay 15 dollars, shoot 150 shots with cooling time, and to know that they are a foot wide doing donut patterns at 50 yards, vs these few minutes cranking out to KPIG radio, I owe you buddy!! saved 5 dollars gas, 15 dollars range fee, and at least 3 hours of time, and still got the powder and primers....

great thing this bulletin board.
 
Posts: 902 | Location: Denver Colderado | Registered: 13 May 2001Reply With Quote
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and the last 50. pulled and replaced and bench cleared.

lessons learned: Read the fine print re twist stability criteria.

and new pulling method. I think of all those pounding session s with the RCBS green plastic hammer, and the powder all over, and the wonder why the plastic never just broke, and oculd have used the electicians pliers all that time...

over and out.
 
Posts: 902 | Location: Denver Colderado | Registered: 13 May 2001Reply With Quote
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Posts: 538 | Location: North of LA, Peoples Rep. of Calif | Registered: 27 November 2004Reply With Quote
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I did this once homer Bought 70 gr TSX's for my Rem Mod 700 22-250, way too long and heavy for 1:14" twist, perfect keyhole's and fairly accurate out to 75 yards...surprising enough! I just use mine to dust the odd squirrel and gophers, sure does some damage when the bullet hits sideways Big Grin
 
Posts: 504 | Location: Manitoba, Canada | Registered: 03 December 2007Reply With Quote
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bullets have been sold. none left.

Jameister
 
Posts: 902 | Location: Denver Colderado | Registered: 13 May 2001Reply With Quote
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