308 and related cartridges - nonetheless it gained’t probably be recommended through the powder makers or have force analyzed data for it. AA1680 is often put among AA5744 and CFE BLK in burn up fee.
Slower-burning powders, such as Accurate 2460 and Ramshot TAC, maximize velocities with heavier bullets, but not everything much. After i put together with the spring gopher marketing campaign, I load a large batch of .223s with this particular powder and forty-grain bullets. The spherical powder flows easily and exactly by way of a measure, so powder is dispensed directly into situations to reduce loading time.
Ordinarily, I'd concur. Nonetheless, I'm driving specifically for SBR performance, and 1680 may possibly give that where by other powders would not. I had been just wanting to know if anybody had chrono'd any 223 loads with it from an SBR.
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I'm also thinking how effectively compressed rates of Alliant Reloader 7 or Vihtavuori N120 may possibly work here? In other rifles I've generally found my ideal accuracy with compressed to greatly compressed rates.
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The set-out dilemma is brought on by insufficient neck tension Accurate 1680 and seeking to taper-crimp cases that are not all the exact same length. If you're going to taper-crimp, trimming conditions to a similar length will manage fifty percent the problem.
I go through a comment a few months in the past of someone making use of this powder within a .308 Get. I am unable to come across reloading data for it in that caliber. Has any one loaded for that .308 using this powder and possess a supply for loading information?
That's really crappy for any 24 inch barrel, but because it's a really quick powder, I might guess that It will be a lot less influenced by a short barrel than slower powders like 748, 2230, Varget, or BL-C2. Same Tale for Accurate 5744. Very speedy powder that makes some good velocities in 223. I had been wanting to know if any individual has carried out this experiment and it has effects? If not, and when a person has an SBR they'd like to check, I've got a pound of 1680 on my reloading bench at this moment....
Throughout the decades I've accurate 1680 powder shot more Speer 40-grain Spirepoints in the .22 Hornet than all other bullets merged. It remains a favorite, but modern day tipped bullets have an edge in certain departments.
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This had a horrible effect on precision. Established-out was a recognizable issue only Along with the Nosler bullets, but it could have been happening with other bullets, far too, and just not showing up as glaringly on target. Accurate 1680 I put in many hrs chambering dummy cartridges with a range of bullets and measuring established-out, and actually, I discovered it happened to some extent with each and every bullet examined.