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Extreme Long Range Hunting & Shooting (ELR) Over 1,000 Yds.


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My New Defensive Edge LRKM

 
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  #57  
Old 07-01-2013, 10:08 PM
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Re: My New Defensive Edge LRKM

Are the 90 degree days having any effect on your new powder and load? dgarrett
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  #58  
Old 07-02-2013, 06:05 AM
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Re: My New Defensive Edge LRKM

I'm working up a load for VV570 in my 338LM Improved. So far I'm getting decent results but it is a pain to load, meters like crap (jagged edges and its longer and thicker than most any powder kernel I've seen).

How goes your load development?

Jeffvn
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  #59  
Old 07-02-2013, 08:41 AM
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Re: My New Defensive Edge LRKM

Quote:
Originally Posted by dgarrett View Post
Are the 90 degree days having any effect on your new powder and load? dgarrett
Dave, as one might guess my load is a full house charge. But remains stable with no increased pressure signs even on the 3rd shot of a 3 shot string. That said I would not want to go up in charge. What this tells me is my load work up is going to be very nice for fall temps.

I am also taking advantage of this time to document velocities at these summer temps and will continue to do so in cooler weather. This will allow for accurate use of the "temp variation" option in shooter and Applied ballistics programs.

Jeff
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  #60  
Old 07-02-2013, 08:48 AM
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Re: My New Defensive Edge LRKM

Quote:
Originally Posted by JeffVN View Post
I'm working up a load for VV570 in my 338LM Improved. So far I'm getting decent results but it is a pain to load, meters like crap (jagged edges and its longer and thicker than most any powder kernel I've seen).

How goes your load development?

Jeffvn
It is a non issue from my RCBS charge master with the straw trick installed. Once in a while I do get a over charge by .1 or .2 but that is easily corrected by simply reaching in with a thumb and finger and removing 1 or 2 kernels. I am using a 5 1/2" drop tube (Forester Blue Ribbon) and it works well with on issues if fed reasonably slow. So it is all working good.

But Jeff, if you want to relieve yourself of the N-570 issues you are having I will buy what ever you have in N-570 powder.

Jeff
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  #61  
Old 07-02-2013, 12:42 PM
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Re: My New Defensive Edge LRKM

The first 1005 yard group. Had mirage and a FV wind averaging 7 mph. To save barrel and components while working up drops I only shoot 2 shot groups. When they are this close together that is plenty.
Jeff
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  #62  
Old 07-02-2013, 12:50 PM
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Re: My New Defensive Edge LRKM

Almost 3200 ft lbs of pure energy at 1000. Kinda hard on 1/2 " mild steel plate.

So....... at the muzzle???? How about 6778 lbs.........

Ouch!!

Jeff
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  #63  
Old 07-02-2013, 02:52 PM
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Re: My New Defensive Edge LRKM

Sounds like 50 Wolves and 40 Lions moving into your backyard hunting area couldn't wipe that NEW GUN SMILE off your face. Congrad's on the fine new gun and chambering. Dave Garrett
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