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Omega47
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Posted: November 17 2006 at 8:14pm | IP Logged Quote Omega47

Looking for suggestions on how light I can load .243 WIN loads using parts I have on hand.   I stumbled across some Sierra 70gr HPBT 1505 Match bullets, H-380 and IMR-4064 powder, shell casings and CCI 100 primers. From other discussions here, I know this isn't the ideal stuff for ideal .243 loads, but what the heck, the price was right.

My 12-year old wants to shoot the .243 Rem 700, so my question here is how light can I go? Hodgdon says 42gr is a good starting point for H-380, but can I go 40gr or even 39 gr without risking a stuck bullet? I'm trying to keep the recoil as light as possible.

IMR says 38.5gr is a good starting load for these 70gr Sierras so I was thinking of maybe 36gr? Will I be safe or can I even go lower with these 2 powders?

Thanks in advance.

Mark
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Paul5388
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Posted: November 17 2006 at 8:55pm | IP Logged Quote Paul5388

Mark,

18.0 gr of Blue Dot works very well for teaching kids to shoot. It's light recoil, mild report and good accuracy works and it's sufficient for deer hunting out to 200 yards. Two of my grandchildren use Blue Dot loads and I use a few Blue Dot loads myself.

The 100 gr Rem shoots just fine and it's a cheap bullet from Midway. I got one group of <.5" at 100 yards with 18.0 gr of Blue Dot and a 100 gr Rem Core-Lokt.

I can't find that one, but here's a similar Blue Dot load in 6mm Rem.



BTW, That's 17.2 gr of Blue Dot, not 17.2 g.

Edited by Paul5388 on November 17 2006 at 8:58pm
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bam4k
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Posted: November 17 2006 at 9:39pm | IP Logged Quote bam4k

Paul,
I would not want to shoot that 17.2g load of yours. I don't even want to know how you fit it in the case.

I'd have to agree with Blue Dot being a great light load powder. Because of Paul's consistent good results with it, I've begun to use it more and more. It has lived up to his claims of accuracy.   

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Omega47
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Posted: November 17 2006 at 9:49pm | IP Logged Quote Omega47

I've found load listings for 100gr bullets for Blue Dot but not 70gr. Since I'm trying to use up these freebie 70gr HPBT Match, any idea where I can find a good starting load for Blue Dot in this weight bullet?
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Omega47
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Posted: November 17 2006 at 9:50pm | IP Logged Quote Omega47

Also, when I use BlueDot in handgun loads, it is almost always with magnum primers. Will it be ok to use with the CCI 100 LR primers? Again, I don't want to spend money and I have 800 more of these.
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bam4k
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Posted: November 17 2006 at 10:03pm | IP Logged Quote bam4k

I've never used mag primers with blue dot, so it should be fine. I would start with the 18gr load Paul listed, if you want a little more velocity you could increase the charge a small amount.

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Paul5388
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Posted: November 17 2006 at 10:03pm | IP Logged Quote Paul5388

Mark,

18.0 gr would work just fine to start with and adjust for accuracy in your gun. I don't know what a CCI 100 is, but a standard non-magnum CCI LR primer is all you need (I think it's a CCI 200 and the magnum is a CCI 250).

Bam,

I knew that 6mm wouldn't hold 17.2 grams of powder, I don't know why I wrote that down, but you'll notice my edit was before you posted! I also know there are 453.6 g/7000 gr.
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bam4k
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Posted: November 17 2006 at 10:06pm | IP Logged Quote bam4k

Paul,
I know you did not put 17 grams in a case, but I still would not want to be around when it was shot.


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Omega47
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Posted: November 17 2006 at 10:08pm | IP Logged Quote Omega47

You are correct - these are CCI-200 "Large Rifle" primers. The box has the fancy new CCI graphics, so it can't be too old.

The reason I asked for a load for a 70gr is 18gr sounds like an awful lot of BlueDot to me. Somewhere on my kid's computer I have the BlueDot reloader manual in PDF format. I guess it's time to try and dig that up again.
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bam4k
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Posted: November 17 2006 at 10:10pm | IP Logged Quote bam4k

One thing I can say for sure is that Paul knows his blue dot loads.

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Omega47
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Posted: November 17 2006 at 10:14pm | IP Logged Quote Omega47

I love the stuff too for mag pistol loads. I was poking through my boxes and found two more bottles of Blue Dot I must have bought before I was deployed. I'll run out of the Sierras long before I ever run out of powder or primers
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bam4k
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Posted: November 17 2006 at 10:15pm | IP Logged Quote bam4k

Omega47 wrote:
I was poking through my boxes and found two more bottles of Blue Dot I must have bought before I was deployed. I'll run out of the Sierras long before I ever run out of powder or primers


That sounds like a problem I could deal with.

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Paul5388
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Posted: November 17 2006 at 10:18pm | IP Logged Quote Paul5388

Mark,

Just from memory, I think 19.5 gr is about 50% of case capacity. You would be at less than 50% with a light bullet, so it should be just fine. You could reduce it to 15.0 gr and it wouldn't hurt anything, but the accuracy may not be as good and the velocity would be less than 2000 fps.

Bam,

It's good to see you know what a gram is! It's the weight of 1 ml of water at STP. That makes conversions between weight and volume very easy.
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bam4k
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Posted: November 17 2006 at 10:21pm | IP Logged Quote bam4k

I hope I know what a gram is as I am a Chemist.

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Omega47
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Posted: November 17 2006 at 10:21pm | IP Logged Quote Omega47

Since I've just discovered I have 3 bottles instead of one, when I get back from the range tomorrow I'll make up 20 rounds of each starting with 15gr and working my way up from there in 1/2 gr increments until I get to 18gr .(or maybe even up to 20gr?).

I just checked the Alliant web site and they've change their data around big time. It used to be you picked a powder and you could download a PDF file with nearly every possible combination of pistol and rifle case and bullet for that powder, but now they've gone the same as everyone else - you pick a caliber and they provide you with 2-3 lame loading combos in a couple bullet sizes. Man, the world has changed. Nobody wants to play any more...

Edited by Omega47 on November 17 2006 at 10:24pm
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Paul5388
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Posted: November 17 2006 at 10:35pm | IP Logged Quote Paul5388

Oh, a chemist? I suppose I could talk about stereo isomers and you would be right in tune! Of course I still use "dextro" and "levo" when talking about polorized light rotation and temperature in degrees centigrade, but that shouldn't be a problem.

It would help if I would learn to spell "polarized"!

Edited by Paul5388 on November 17 2006 at 10:40pm
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bam4k
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Posted: November 17 2006 at 10:45pm | IP Logged Quote bam4k

No that would not be a problem at all.

Don't worry, I am a horrible speller as well. That is why I went to then new fire fox, it spell check these text boxes as I type.

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Shooter Forever
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Posted: November 18 2006 at 10:19am | IP Logged Quote Shooter Forever

Not to hijack this thread......

Me is/was a chemist as well.
Moved over into a career of corrosion specialist.

Are all chemists shooters????
Conversely, are all shooters chemists??

Ok, I'll leave now.

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davemuzz
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Posted: November 18 2006 at 11:11am | IP Logged Quote davemuzz

Bam, Paul & Shooter F-E, Chemist eh?

Well, could you guys comment on the phase out of the Extraterritorial Income Exclusion or the Stock wash sale rules or perhaps the Distribution to a Nonparticipant Incident to Divorce or Separation rules if the seperation occurs on the last day of the year?


Hey....I was just askin!!!

Dave.

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Shooter Forever
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Posted: November 18 2006 at 11:47am | IP Logged Quote Shooter Forever

davemuzz
You need to ask your congressman They are adept at replying with the least relative answer to the question.


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