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Thread: Best powder for AR15 w/16 inch barrel?

  1. #1
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    Best powder for AR15 w/16 inch barrel?

    Hi all! I will be finishing up on a custom upper very soon and will be doing all my own reloading. What powders are you folks finding works best with a 16-inch barrel? I'm thinking a faster burning powder would work best?

  2. #2
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    Manuals

    Best to buy a manual and follow it precisely as to there specifications.

    Google IMR for a less comprehensive free version.
    Last edited by aklaunch; 12-26-12 at 20:46.

  3. #3
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    There are so many different powders and you will get so many different answers. It really is a personal preference. I prefer TAC, lots of people use varget, h335, h322 but your asking a very vague question. What weight projo are you planning on using?
    Last edited by RearwardAssist; 12-26-12 at 22:32.

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    Quote Originally Posted by RearwardAssist View Post
    There are so many different powders and you will get so many different answers. It really is a personal preference. I prefer TAC, lots of people use varget, h355, h322 but your asking a very vague question. What weight projo are you planning on using?
    That would be H335 instead of H355 wouldn't it? I use Ramshot TAC as well as Accurate Arms 2230 with 55 gr. bullets and H335 with 62 gr. SS109 bullet pulls.
    Last edited by davidz71; 12-26-12 at 21:47.

  5. #5
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    Every barrel is different, there are so many powders. The powders that work for an Ar are not that far apart as far as burn rate. There are faster and slower, but your barrel is going to have little to do with the powder you choose. Faster for lighter bullets, and slower for heavier. That is not even set in stone a member markm has a killer load using h322 for 77 matchkings. Most Will say h322 is to fast for the weight, but his results show different.

    Your going to have to do the leg work for your gun, but barrel length is the least important part of the equation. Once you get to shorter barrels it gets more important, because you are trying to squeeze more speed from a short barrel. With a 16" barrel choose powder for the bullet your loading.
    Last edited by jstone; 12-26-12 at 21:59.

  6. #6
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    Quote Originally Posted by davidz71 View Post
    That would be H335 instead of H355 wouldn't it? I use Ramshot TAC as well as Accurate Arms 2230 with 55 gr. bullets and H335 with 62 gr. SS109 bullet pulls.
    Yes thank you I edited the original post to avoid any confusion.

  7. #7
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    Would I be crazy to say that reloading manuals are becoming obsolete? You can call the powder company directly and they can tell you what charge weights floor and ceiling to throw based of your data to get you close until you can chrono.

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