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Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

 
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  #8  
Old 04-01-2009, 01:07 AM
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

Thanks len this was great article but now you have me wondering if I can get more from the vld's. I've been working out loads for my 300wsm using the 168 vld. my best 3shot groups are .5 moa with 66gr. H4350 I started loading .020 off the lands
and have never changed it. Should I bother adjusting this and if I use this plan do I need to start over with load development. I should mention 67gr was just flatning primers and bolt was a bit heavy. What I'm really asking here is am I going to get my face blown off when I jam this load into the lands.
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  #9  
Old 04-01-2009, 08:40 AM
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

Quote:
Originally Posted by cdn shooter View Post
Thanks len this was great article but now you have me wondering if I can get more from the vld's. I've been working out loads for my 300wsm using the 168 vld. my best 3shot groups are .5 moa with 66gr. H4350 I started loading .020 off the lands
and have never changed it. Should I bother adjusting this and if I use this plan do I need to start over with load development. I should mention 67gr was just flatning primers and bolt was a bit heavy. What I'm really asking here is am I going to get my face blown off when I jam this load into the lands.

You will increase pressure so you should back off the powder a bit to test.
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  #10  
Old 05-17-2009, 11:08 AM
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

Hi, this may be a bit off subject but it does relate to Berger VLDs. I am being told that the highest BC 6mm Berger launched from a 243 Winchester will outrange, shoot flatter and be more accurate that the highest 6.5mm Berger (that has a higher BC) shot from a 260 Remington. Assume identical 26" barrel rifles with the proper twist for each bullet.
I thought BC ruled but am I wrong? Thanks.
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  #11  
Old 06-09-2009, 07:00 PM
WRG WRG is offline
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

I am about to put together some rounds for my M700P - .308 BR using the Berger 155 gr VLD J4 Jacketed match grade PN# 308155V. I have never used this bullet in any rifle so I could use the advise from someone who has. Maybe you have a better way to approach this.

My question is should I start with it jammed to the lands as you suggest and here's why I ask?

I will be using two powders in this work up, Varget & IMR4007ssc that consist of 25 rounds for each powder using CCI BR2 primers & Federal GM match cases. That is 5 rounds for each 5 gr increment from min to max.

I guess my problem is I'm just afraid I will miss the better powder if it's not seated correctly. One powder may work better if it's seating say .020 off the lands where the other may like it jammed. Should I start out jamming them and take the best group from "both powders" and then mess with the seating depth?


I think this makes sense! Actually it sounds like I should be doing it this way with any bullet / powder combo I'm working a load up for. I guess I have been just plain lucky all this time and never had to. I would just find the powder that gave me the best group and work the seating depth from there. I wouldn't even consider the other powders in the work up and try changing the seating depth to see if it would improve, I would just drop them from the work up all together.

Hope this makes sense!

WRG
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  #12  
Old 06-09-2009, 07:42 PM
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

Quote:
Originally Posted by WRG View Post
Should I start out jamming them and take the best group from "both powders" and then mess with the seating depth?

Actually it sounds like I should be doing it this way with any bullet / powder combo I'm working a load up for.

WRG
That's what I would do with the VLDs. Jam then into the lands about .010" and vary the powder charges. Then you could take the best powder charge and try 0.010" off the lands, 0.020" off the lands, etc. out to 0.070" off the lands. Many times they will shoot just fine slightly jammed into the lands.

With non-VLD style bullets, start with the bullet 0.015-0.020" off the lands rather than jammed into the lands. Non-VLDs are typically kept off the lands to avoid pressure variations that could result if some touch the lands and some don't. 0.015" off the lands should keep them all off the lands.
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  #13  
Old 06-09-2009, 09:54 PM
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

Read this thread which is on the LRH home page.

Optimizing Precision And Accuracy From VLD Bullets

I am a big fan of Berger bullets. Go to their web site and ask for some loading advice for the .308. They have always sent me loading data. They are really some great guys. Also, they are coming out with their own loading manual...hopefully in August.
Good luck.
Ken
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  #14  
Old 06-09-2009, 10:57 PM
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Re: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle

Thanks guys, for your postings.. I'm currently waiting for some Berger VLD's to arrive so I can give them a try. I've got a Tika t3 270 wsm that I'm trying to find an accurate load for. Walt Berger sent me some load suggestions but there are 14 different powder options with the usual range of grains for each. I've got AA3100, RL19 & IMR 4350 on hand so thot I'd start with those but I've been trying to figure out just where to start with the OAL as I work up thru the various grains of powder for each product. The max OAL that will fit in the clip is not much over the 2.86 max OAL listed in Lymans 48th Ed Manual. As stated the 140Gr VLD's are on order. But if I load the 140gr Accubonds I currently have to 2.86 OAL, I am about .240 off the lands. If I go closer to the lands, the cartridge won't fit in the clip. Is that often the situation? I'm relatively new to rifle reloading so any and all comments would be appreciated. Most people say Tika's shoot pretty well, but I've gotten only one group just barely under an inch thus far, and that was with Remington 130gr Coreloks. I've had a couple of other guys shoot it also with same results. I'd send it back to Tika for a checkup, but backlog is 8 weeks, and I'm supposed to head out on a sheep hunt in August which would be cutting it close. Thanks for your input
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