Wound’t magnetospeed readings be generally a bit highter, because it measures the relative velocity involving exiting bullet and recoiling rifle, instead of the relative velocity involving bullet and “earth”?
IMR 4166 – This powder has quite comparable burning features to Hodgdon Varget, and can be employed in a similar variety of calibers. The excellent news is this powder is a snap to seek out and looked as if it would have excellent results in my check.
They drop assurance inside their dope, dilemma their rifle or scope, and usually just spiral into irritation. But, lots of by no means make the connection that it may be a poor powder choice that prompted their trajectory to vary so significantly.
An electronic powder dispenser would also do the job, in order to stare at the wall whilst it takes without end to dribble out the powder.
Todd Hodnett is without doubt one of the guys I regard one of the most from the very long-range world. He’s an expert among specialists.
1 thought. The soar from ambient to scorching is where by powders seriously vary. Maintaining types ammunition out on the Sunlight is comparatively straightforward. The cold to ambient may very well be much more (but not entirely) representative of trying to keep types ammunition in the bag about the cause of daily.
Hodgdon is just a middle man. They obtain powder in bulk, within specified specs, from powder producers and bundle it with their labels and sell it as a result.
I feel the educational reply will be a sample dimension of 30+ is needed to own large self-confidence that the sample is agent from the inhabitants. But only a few guys do this, because There's a diminishing level of returns.
A minimum of to the powders tested the variation imr enduron powders of your muzzle velocity SD with temperature was just a few fps. As a result not variable for many, Otherwise all functions. Constantly good to show a possible variable into a relentless. Fully comprehend your methodology didn't allow taking pictures for precision.
They counsel you put the Doppler beside the rifle, and it looks as if they may account for that offset because they interpret the results and proper for it. The middle with the product is often below 12″ from the barrel, which isn’t A lot any time you’re speaking about measurements taken 50-eighty yards down vary.
At 105% fill APB is ninety five% but compressed masses can cause seating challenges. H4831SC isn't a perfect powder with the 130 VLD and might be far better which has a heavier bullet while in the CM. And imr enduron powders customarily compressed loads never get a complete burn off. How again and again in minimal light Have you ever noticed a large muzzle flash? Very common in pistols and SB AR’s – powder burning immediately after bullet has exited muzzle – not a complete burn. You wish a whole melt away prior to the bullet exits if at all possible.
My reply from Hodgdon. It at least confirms the discontinuation. I requested far too if there was any chance they'd develop it once more Down the road. Of course he didn't response that dilemma. I'll presume that is a no then.
it is sweet to own impartial simple fact based facts to evaluation. I am able to’t wait to read through your barrel analysis. My son incorporates a 300WM on the again burner until eventually we study the barrel comparison in BL’s e-book. Was gonna do a PR barrel IMR 7977 but will hold out till we see the results.
Truthfully, we just aren’t keen on that powder thanks to what we’ve experienced with it in terms of temperature sensitivity.