H4831 will function within the Swift although not genuine properly. you can expect to hardly ever have the pressures you may need for consistency Using the .223. 760, or H414 will be greater but for a few explanation I ain't the greatest supporter of most ball powders.
H4831SC is really an Serious extruded powder and the precise ballistic duplicate of H4831. bodily, it's got a shorter grain dimensions which acquired it the 'SC' designation for 'shorter cut.' The shorter, more compact kernels allow the powder to circulation through the powder steps much more efficiently, assisting to relieve the constant cutting of granules. While using the smoother circulation traits comes additional uniform cost weights, even though the individual grains orient much more compactly, generating greater loading density.
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We have shot this cartridge for the Nightforce ELR match and we’re making use of manufacturing unit one hundred seventy five grain ELD-X 7 PRC ammo for two elk hunts in Colorado this year. right here’s what we found out.
I did prepare someday before a match that has a person which was the PRS winner a number of years back and he introduced his 223 education rifle, which was constructed on a Surgeon motion As well as in a similar stock he Employed in competition Along with the very same optic. He brought it coupled with an ammo box of army surplus ammo and we utilised it to practice positional stuff.
Thanks, Sven. I thought this submit would enable a lot of folks out there who may be in the same placement. it will take many time to place all these things jointly, so I actually enjoy you permitting me know that it helps.
And I’m with you on putting priority on reliable loads (with regard to muzzle velocity SD) in excess of the load that makes the smallest groups. What I’ve found is if a load creates a little SD, it will almost always group well, but Simply because you fireplace a few compact 5-shot groups that has a load doesn’t suggest that it will have a reduced SD.
NBTs or Hornady VMax, but Have a very constrained provide of Varget, and a whole lot more obtainable H4831SC. I shoot 55 gr. loads Nearly solely, because which is exactly what the rifles shoot the best.
For this take a look at we have been utilizing the Scott Satterlee 10 shot technique of load improvement. This is an excellent tool to get an thought of here your rifle’s precision and velocity opportunity, permitting you to drill down from there. Also, considering the fact that this 7 PRC was shot at Nightforce ELR, the barrel is nicely broken in.
With all the smoother movement characteristics will come extra uniform cost weights, though the individual grains orient far more compactly, producing better loading density.
In my working experience H4831 or 4831SC are notorious for Everything you've skilled. You'll get a load that shoots really well without having problem but it surely will not likely mild up any chronographs.
many thanks with the reply Cal. that you are naturally location on regarding the danger of doing what I did. My cause of proceeding was that almost everything I could Look at with regards to the load was accurate, and also the load data for the ELD-M for RL-seventeen was nicely in variety, so I could have just selected this load at random. Hornady experienced just introduced load data for 6mm CM.
is known for its steady effectiveness and temperature security. it really is formulated to offer reliable burn off prices across A variety of temperatures, making certain predictable velocities and pressures.
The shorter, far more compact kernels allow the powder to move through the powder actions much more effortlessly, assisting to ease the constant slicing of granules.