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Welcome to this community for the Creedmoor metallic cartridges enthusiasts. We have been sharing information here since February 2010 and have grown quite a bit since. Please join us and share your experiences with the Creedmoor cartridges, and also please spread the word about the forum. As we continue growing, the forum will become an even greater resource for all of us.


Recent Posts
11
Reloading / Re: RL-19 with Berger 130 OTM
Last post by Boostmeister -
Primers look healthy. Minimal POI movement on those targets across your charge spread. I was surprised by that. I like 45 as well. Do you know what the velocity changes were on these loads?
I do not.  That was much of my concern.  I am at my Winter residence in Arizona and don't have my Oehler 35P with me.  I like to increase powder charges in .3 gr increments and measure MV, looking for linear fps changes.  Not having a chrono down here is really flying blind.  I saw on loaddata.com that MAX charge with RL19 and Berger 130's was 44.0 gr.  44 looked pretty good, and I have been hesitant to increase charge until Marshall indicated that the Swift manual on a similar bullet went as high as 47 gr.  Haven't had the guts to go that high yet.  Might mess with a load of 44.8 - 45.2 and vary the seating depth.  Otherwise I may wait till I can bring my chrono down here in the Fall.
14
Reloading / Re: RL-19 with Berger 130 OTM
Last post by jvw2008 -
Primers look healthy. Minimal POI movement on those targets across your charge spread. I was surprised by that. I like 45 as well. Do you know what the velocity changes were on these loads?
17
Reloading / Re: Recommendations on Powder for 6.5 PRC
Last post by sportacus -
I'm a bit surprised that there has been no mention of H1000 powder.  I've been using that with 140+ gr bullets in my MPA 6.5 PRC for the last year.  I have wanted to try RL26, but it simply (like everything else) is unobtainable.  If you can find it, give H1000 a try.

Thank you sir.  We wound up with 4831sc, RL26 and H1000.  I added 8 lbs of H4350 to. the love offering.  Should be able to build a acceptable hunting load from those choices. 
19
Reloading / Re: RL-19 with Berger 130 OTM
Last post by Boostmeister -
Just returned from the range and wanted to follow up with some results.

Conditions:
Temp 82-84 F
Pressure 29.84
Elevation 2113
Wind SSW @ 10 MPH

I loaded 5 shot groups beginning with 44.0 gr of RL19 and increased powder charge in .2 gr increments up to a self imposed limit of 45.4 gr.  All groups were shot at 100 yards.  I pulled the 2nd shot of the 44.6 gr left as well as the 5th shot of the 45.2 group.  Don't know what to say about the group at 45.4 gr.  Could have opened up due to barrel harmonics or shooter fatigue.

In summary, I did not see any signs of pressure.  No ejector swipes, or punctured primers.  Looking at the primers in the 45.4 group, there is a slight flow or flattening, but certainly not concerning in my opinion.  I have added pictures of the targets, but due to the limitation of four attachments per post, I'll add the photos of the primers in a follow up post.
20
Reloading / Re: New Barnes 145gr Match Burners
Last post by daved20319 -
Thanks, Grant.  Targets weren't any more help than the chronograph, they were pretty much all about the same, low and left, with the minor deviations being attributable to the loose nut behind the trigger.  I do appreciate the +/- .005" tip on the seating depth, I was wondering how to decide which way to go.  As I said before, 42.5 looked about the best for SD and spread, so I think I'll start with that for my charge and work on seating depth.  I actually shot 10 at that charge, but 5 were in brand new brass, I wanted to see if it mattered.  Oddly enough, the new brass shot a little tighter and a little faster, I can only conclude that was due to slightly lower case capacity from the unstretched brass.  Which might be telling me another .1 gr. could be worthwhile, depending on which way I need to go with seating depth.  Anyway, I'll add more to this thread when I get the chance, I'm really hoping these prove to be a good bullet in my rifle.  Later, and thanks again.

Dave

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