I did not seek anymore pace, so I did not consider 36 grains. I took down the chronograph and place up some wind flags. I shot numerous 3-shot groups that averaged about 3/8ths inch. None of the teams fired Along with the bullets seated in the lands matched the very first team that experienced them from the lands.
) For your given cartridge the psi determine will be greater than the cup figure. Won't automatically signify the tension is bigger, just another means of arriving at the same "intersection", so to speak.
, Tremendous quick grained extruded rifle powder was developed expressly for match, varmint, and AR sniper cartridges
Following chronographing the velocity of The 2 hundreds, I setup the wind flags and shot one particular group with Every type. While using the Federal primer, I received a 0.142 team as well as Wolf-primed rounds printed a 0.206. This barrel has served its time which is now ready for retirement…for those who really know what I mean.
This really is just our view. In not one caliber I Do this, can it be competitive Together with the prime tier powders. Now and again it would make a number of great groups, but check out N140 as an example. Nearly every load is good, numerous bullets and rates.
I returned dwelling and chose to check out one more barrel just before submitting my results to Dave Brennan. Following, I'm intending to attempt a Krieger barrel chambered for the 6XC cartridge. For information I e-mailed Lou Murdica and asked did he have any info for this bigger potential circumstance.
I just don't understand why if an individual offers additional information and facts and enter, in lieu of tallking over it and talking about it you would probably get irritated.
This can be I do think a result of the heavier reliance on deterrent coatings to regulate combustion in double primarily based powders, in lieu of the modify in chemical composition. As I realize it "ball powder" is simply a trademark for a sort of spherical powder rather than a dependable indicator of It truly is chemical composition. I might be Completely wrong though?
Equally powders are considerably faster than the remainder of the pack. With HBN coated bullets I am guaranteed my pressure is beneath precisely what is detailed within the Hodgdon website for optimum load of 28.2 gr still the velocity is above 3900 fps. It's going to take far more tension to beat it with VV N-540 and it is actually more durable to evaluate because of its coarse grain dimension.
Thanks for your time and effort and input. Your publish on case prep is quite thorough. I realize that Each individual move of the reloading game is of maximum significance when one is loading for larger precision. Circumstance selection and prep, primer selection, powder preference, powder sort and charge fat, bullet preference and bullet seating techniques and seating depth can all play a crucial function here in loading for precision. I've shot benchrest For many years and got into extended assortment precision taking pictures about eight a long time in the past.
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If all you can do is gripe about some a person else's function at shedding just a little gentle on a whole new powder featuring, then I don't really know what to inform you.
The barrel applied has more rounds via when compared to the gain twist barrel used Earlier. I would not shoot this barrel in an enormous match.
I Individually take pleasure in you visiting the problems and putting up your results. I hardly ever article here but I truly feel This is often a type of periods other voices must be heard.