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Thread: IMR 4227 in .243 - unexpected high velocity

  1. #21
    Boolit Buddy

    Dieselhorses's Avatar
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    Quote Originally Posted by 44MAG#1 View Post
    Shoot five rounds with the powder positioned in the rear of the case and five with the powder in the front of the case and see how position sensitve it is. I think you will see the powder is very position sensitive. If it is I would do somerhing different regardless.
    No need to use a powder like that unless you cant do any better.

    Again I mean no hurt, harm, anguish or turmoil by my post I have posted on this posted subject. I am not baiting, trolling or calling out anyone. I am making a post based on my experience, knowledge and/or belief or opinion. That is all.
    44mag, since we're on this subject were you referring to 2400 maybe being position sensitive or 4227? Just wondering because I'm trying to work up some 308's with IMR 4227. Is there some sort of reference that reflects powders sensitivity?
    Pain is just weakness leaving the body... It is better to be hated for who you are, than to be loved for who you are not (ask DJT).

  2. #22
    Boolit Master
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    Quote Originally Posted by Dieselhorses View Post
    44mag, since we're on this subject were you referring to 2400 maybe being position sensitive or 4227? Just wondering because I'm trying to work up some 308's with IMR 4227. Is there some sort of reference that reflects powders sensitivity?
    Most powders are including 2400 and 4227. Try the experiment I mentioned. It can be an eye opener. Even fast pistol powders such as Bullseye can be in big pistol cases.
    In rifle cases I would never use a powder that sloshed around much.

    Again I mean no hurt, harm, anguish or turmoil by my post I have posted on this posted subject. I am not baiting, trolling or calling out anyone. I am making a post based on my experience, knowledge and/or belief or opinion. That is all.
    We Know Mass Cannot Be Weighed But It Has Newtonian Weight And That Is Derived From Kilograms And Kilograms Can Be Converted to Pounds. But, Still Mass Cannot Be Weighed. But How is the kilograms obtained? Can Kilograms Be Weighed? Evidentally Yes It Can. But, Still Mass Cannot Be Weighed So Kilograms Must Not Exist. Funny Isn't It.
    One good thing out of this the next time I'm at the doctors and they want to weigh me I'll tell them mass cannot be weighed.

  3. #23
    Boolit Buddy

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    Quote Originally Posted by 44MAG#1 View Post
    Most powders are including 2400 and 4227. Try the experiment I mentioned. It can be an eye opener. Even fast pistol powders such as Bullseye can be in big pistol cases.
    In rifle cases I would never use a powder that sloshed around much.

    Again I mean no hurt, harm, anguish or turmoil by my post I have posted on this posted subject. I am not baiting, trolling or calling out anyone. I am making a post based on my experience, knowledge and/or belief or opinion. That is all.
    No I'm totally with you. Another reason I asked was because, (and not to complicate things), I was debating on using a filler. If I establish a halfway decent load I don't think I'd be conscious during a hunt on whether I remembered to tip rifle back or forward but yes, I understand what you're saying. Most of the volumes in my other rifle cal's generally are 60% or more and that's another thing I need to be conscious of is powder volume-all powders are different. Thanks for your advice.
    Pain is just weakness leaving the body... It is better to be hated for who you are, than to be loved for who you are not (ask DJT).

  4. #24
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    While I have never used a filler in a bottleneck case since ive never used a powder charge that light I have in straight walled cases such as the 45/70. This with A2400 amd. 515 grain bullet . And the 458 win Mag using A2400. It worked great.

    Again I mean no hurt, harm, anguish or turmoil by my post I have posted on this posted subject. I am not baiting, trolling or calling out anyone. I am making a post based on my experience, knowledge and/or belief or opinion. That is all.
    We Know Mass Cannot Be Weighed But It Has Newtonian Weight And That Is Derived From Kilograms And Kilograms Can Be Converted to Pounds. But, Still Mass Cannot Be Weighed. But How is the kilograms obtained? Can Kilograms Be Weighed? Evidentally Yes It Can. But, Still Mass Cannot Be Weighed So Kilograms Must Not Exist. Funny Isn't It.
    One good thing out of this the next time I'm at the doctors and they want to weigh me I'll tell them mass cannot be weighed.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check