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  #1  
Old 05-16-2009, 03:23 PM
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varmint grenades


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Hey guys,

I was wondering if I can get some load data for the 36 grain Barnes Varmint Grenades.

I am using a 22-250. I have availability of W760 and W748 powder, and also the Alliant powder range. I am based in Australia and we have a wide but at the same time, limited option of powders.

I am using CCI large rifle bench rest primers.

I cant find any load data for the 36 Varmint Grenades.

Thanks
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  #2  
Old 05-16-2009, 04:06 PM
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You can use data for 40 grain bullets as well.
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  #3  
Old 05-16-2009, 07:42 PM
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Can you get the Mulwex powders? I believe that Varget is Mulwex 2208, but check with them to be sure.

As Matt said I'd use the 40gr. loads and not worry too much about it.

www.hodgdon.com
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  #4  
Old 05-16-2009, 10:03 PM
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♦ BL-C(2) 37.0 3961 max 40.5 4348 88% loading density
RL 15 36.0 4002 max40.0 4417 98% loading density From Barnes.Not sure if that helps you any
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  #5  
Old 05-19-2009, 02:01 AM
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Thanks fellas. I dont think I can get hold of mulwex powder. We have ADI powder here, I think it is equivalent to Hodgdon powder. I used load data for 40 grain pills a while ago, but I had an impressive sphere of flame come out the end of my barrel.

One of the guys at the gun shop said not too worry about it as it is just excess powder that doesnt have time to burn as the lighter projectile comes out much quicker.

I didnt experience any signs of excessive pressure or anything, but thought I would try find other loads before continuing.

Thanks
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  #6  
Old 05-19-2009, 02:02 AM
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Sorry, I believe mulwex is ADI powder, just name changed. So yes, I can use the 2208.
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  #7  
Old 05-19-2009, 03:24 PM
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36 varmint grenade

Powders listed in the #4 manual are:

Win 748 36-40gr 3944 to 4369 respectively

BL-C(2)

H335 33.5-37.5 gr 3932 to 4349

TAC 34.5-38.5 gr 3978 to 4375

Varget 36.5-40 gr 3976 to 4315

IMR4320 35.5- 39.5 3826 to 4284

RL 15

Good Luck
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  #8  
Old 07-03-2009, 08:45 PM
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I broke down

I bought 100 of these pills. I'll let you guys know how they go. They will be used in my 22-250.
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  #9  
Old 07-05-2009, 10:30 AM
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Don't go for max velocity as you will lilkely find them blowing up before they get to the target. Fragile bullets at high velocity may simply self destruct. I've seen it in my own 22-250 with some of the lighter bullets. Backing down a bit worked great.
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  #10  
Old 07-05-2009, 10:42 AM
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Per Motor31's comment, you can also get core stripping (the jacket spinning with the rifling, but the core lagging behind) due to excess rotational acceleration. That opens groups up a bit. The cure is the same as for blow-ups; cut the velocity until it stops.

I will also add the caution about very light bullets with slow powders either squibbing out or causing secondary pressure spikes. Try the fastest powder in your arsenal first. In this case H335 and Varget (ADI AR2208).
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  #11  
Old 07-05-2009, 02:25 PM
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Varmint Grenades are good bullets but there is no magic in them. Like any other bullet, they work good in some rifles, not so good in others.

I get around 5/8" in my 22/250 at a bit over 4000 fps with Varget. A friend gets near 2" with any powder/charge combo he tries.

Don't think anyone will experience any "jacket" slip with them tho!
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  #12  
Old 07-05-2009, 07:12 PM
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Powder choices

I have some Varget and that is what I was going to start with. I really like the way it meters through my Lyman powder drop. I had not planned on Max velocities. My 22-250 is a Savage w/a 1/12 twist.

I must admit that watching 3900 plus velocities on the chronograph is pretty neat. If I get near 4000 and accurate I would be very happy lad.
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  #13  
Old 07-06-2009, 06:43 AM
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"...I had not planned on Max velocities."

Obviously I can't predict what your results might be. But, I can say the the merits of "loading down' for accuracty are greatly overrated. One eliment of good accuracy is a more consistant burn rate. Loading down very much from a normal max load can easily drop you out of the powder's designed operating pressure range. That can easily allow things to become less consistant; less consistancy is NOT a good thing!

I belive that reduced velocity loads should be done with slightly faster powders. A faster powder allow us to reach the higher but still normal pressures than a lighter charge of a normally better/slower powder. The faster powder can produce normal, and therefore more consistant, pressures while still generating less velocity.

At least push your Varget charges up until you find the actual max charge for your rifle. See what that does for accuracy before you start loading back down; you might be surprised. But DO allow your barrel to cool down between the hot shots!

Last edited by ranger335v; 07-06-2009 at 06:52 AM.
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  #14  
Old 07-06-2009, 06:50 PM
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What I was trying to say but didn't state it clearly

I'm not looking for the last FPS in this load. Unlike my whitetail loads where I might give up a little accuracy for a couple more FPS, on my varmint loads, I'm trying to find the most accurate. If it happens to be at 4300 with my 26 inch tube then that is what I will shoot. If I get 3900 or whatever and tiny little groups, then that is what I want to shoot.

For the record, I don't mess with published data. If the book says 36-40 grains of XYZ powder, that is what I will stay in.

I also have on hand BLC (2) and 748.

What I really need is more time at the bench. But then again, don't we all!
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  #15  
Old 07-07-2009, 05:36 AM
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I'm really excited to try VG's in 22-250 with a minimal load for surburban/farmette varmint work... i think they'll just do the trick.
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