7 PRC Article

SDMF

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I have the new RCBS Chargmaster, but it isn't within .1g like they advertise. It stops at what they say is 41.5 g of H4350, but most often it's 41.4. Anyway I can pick two to five kernels faster than the Chargmaster can complete an inaccurate load.
SuperTrickler will get you within .04gn per throw and it only takes about 1/3 the time to throw the charges vs. a ChargeMaster.

The +/- accuracy window of the SuperTrickler is selectable by the user down to .02gn.
 
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PrairieGhost

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SuperTrickler will get you within .04gn per throw and it only takes about 1/3 the time to throw the charges.
I never thought about them, but evidently they would fit my needs well. The .04 is exactly what I'm shooting for. Pun intended. Thanks that valuable information.
I can be fast, but it slowes me down if I get so picky that when I pull the last kernel and my scale drops to the desired weight I have to put it back and see if a smaller kernel will do it. I know this sounds tedious to many, but chasing accuracy is my addiction of choice.
 

PrairieGhost

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Your a damn badass if one kernel makes a difference in accuracy!!
Im not worried about 100 yards, and I can't do anything but adjust for wind, but I tell myself it MAY make a difference at 880, 1320, 1760. I'm still pissed I missed a coyote bedded on a snow drift at 1458 yards.
 


Wall-eyes

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Santa needs to deliver you a SuperTrickler.

Good lord man be glad you don't load LeverRevolution in any cartridges. That stuff has the consistency of powdered sugar. You'd have to buy one of those little cocaine spoon things they use on TV.
My RCBS auto powder dispensers works just fine that 1/10th of grain means nothing if you dont weight your brass , trim to length, uniform neck size and trim necks, uniform primer pockets etc... why I know I have shoot competition for years. Put anyone can do as they please again I love my 7mmags etc..
 

SDMF

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My RCBS auto powder dispensers works just fine that 1/10th of grain means nothing if you dont weight your brass , trim to length, uniform neck size and trim necks, uniform primer pockets etc... why I know I have shoot competition for years. Put anyone can do as they please again I love my 7mmags etc..
I'm about 99.999999999% sure PG does all of that.

I've used several generations of the RCBS auto dispensers, starting back with the one from the late-90's you had to line up the "electric eye" to get it to sync w/the digital scale.

I'll take the ST. 1st off, it doesn't make a giant mess when using ball powder. I load a fair amount of Ramshot powders and several H ball powders as well. The RCBS automatic/digital trickler make an awful damned mess running ball powders. Additionally, the ST averages 6-7sec/dispense vs. 15-20sec and the A&D scale doesn't drift.

For me it's not that gnat's-ass accuracy, I have mine opened up to +/- .06gn so I'm never out more than .12gn which is WAY better than I can actually shoot. For me, just about anything I can do to speed up the reloading process while maintaining acceptable accuracy, I'm all in.

My typical steps to choosing powder for a load are:

1. Can I choose a powder that will allow me to load this combo on a Dillon?
2. If not the Dillon, can I use a Harrell's?
3. Shit, gotta trickle logs.

In my own little perfect world, I'd only ever use a trickler or trickler/scale combo for load workup and once finalized everything would get loaded by volume via Dillon or Harrells.
 
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luvcatchingbass

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I'm sure people would chuckle at my reloading setup, pretty much all hand me down from dad. My process isn't the fastest by any means and might not be as "accurate" but more often than not if I do my part $h!t still dies when I pull the trigger on the rifles. I will admit I am not playing with the 600yd + big boys yet so there is that I guess.
Mostly I find reloading very therapeutic after I get done scratching a bald spot into the hair on my head setting everything up, load testing, adjusting this and that till I get the results I was looking for, load up a bunch and find that load wasn't that great after all, etc, etc, etc.
 


PrairieGhost

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That's only the trickler, then you need the A&D scale to pair it with so double that.
Ouch! I could make it with only the scale.👍

I'm about 99.999999999% sure PG does all of that.

Yes and I turn Lapua neck thickness to .013 inch. First full length on Forester Match dies, then expand the neck .001 over turning mandrel, then turn, and full length size again to center the neck, then expand again so it can be sized using a RCBS Gokd Match with a .286 neck bushing. For 6.5 Creedmoor and 6.5x284. The 6.5 Grendell is held to 800 yards and under so no big deal.
 

svnmag

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In a pushfeed you either remove the spacer via heat or sawzall. Or, you find a “Magnum” 3.6” box and stuff it in the bottom.

Additionally you swap out the bolt stop for a shorter “Magum” version to allow the bolt to cycle back far enough for the increased length. The bolt stop is a <5min swap. If you can find the 3.6" H&H/Wby internal box you can include that in the <5min swap.
Wow. Hmmm. I can do a great TruOil finish.
 
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luvcatchingbass

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I'm thinking I should workup a 6mm-7PRC, I mean after all the 6mm has become the new "God's Caliber" lately so what could go wrong.
 


SDMF

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I'm thinking I should workup a 6mm-7PRC, I mean after all the 6mm has become the new "God's Caliber" lately so what could go wrong.
A few have done the 6 PRC by necking down the 6.5PRC. What you end up with is a short-action 240Wby give or take. I've given serious thought to this myself but it's going to be hard to put the 22Creed down for a while.

Shot it again over the weekend. 75's @ 3660fps from a 22" bbl w/6FPS SD from Virgin Alpha brass.
 

luvcatchingbass

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115 dtac or berger would be killer
I listen to lots of the Shoot2Hunt guys, the 6UM is for sure interesting and the 115 dtac has been a proven killer for them. I don't agree with everything they say and do but can respect what they are doing.
With ADG brass head stamped in 6UM coming in 30 & 40 Degree if I was to do a 6mm that might have to be it, I'm a fan of head stamped brass if I have the choice.
A few have done the 6 PRC by necking down the 6.5PRC. What you end up with is a short-action 240Wby give or take. I've given serious thought to this myself but it's going to be hard to put the 22Creed down for a while.

Shot it again over the weekend. 75's @ 3660fps from a 22" bbl w/6FPS SD from Virgin Alpha brass.
I know guys have done the 6.5 that is why I picked the 7 for that little more pain in the butt and few more kernels of powder. Guess if a guy is going through the trouble may as well man up and design it off of a 300PRC ...popcorn....
With ADG brass head stamped in 6UM coming in 30 & 40 Degree if I was to do a 6mm that might have to be it, I'm a fan of head stamped brass if I have the choice.

Or now that Hornaday has a .25cal 134 ELD-M(urder) and 138 A-Tip maybe just take the 300prc down to .25 just to be different 🤔

Then again for some reason a .35 Whelen has been in my brain, not sure why besides it just something different.
 

SDMF

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Wow. RL26?
Yep. 200yd group, I missed the puff of wind. 😡

IMG_4611.jpeg


IMG_4612.jpeg
 
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