h110

  1. Big-bore-bob

    357 magnum coal question

    Hi all, I just got done loading a hundred 357 rounds with 158gr xtp's over a 15.6gr charge of h110. I've loaded this combo before with good results at a coal of 1.575, however the lock ring on the seater die must have come loose since the last time it was used and my new coal is 1.571-1.573...
  2. Big-bore-bob

    Rmr smiley 147gr .357 magnum

    Hi all, I'm putting in an order soon for some RMR 147gr fmj smiley bullets for my .357 mag 686+. I'm looking for some midrange starting loads for target practice ( don't want to waste my stash of h110 but ill probably sacrifice some in the name of education) i am curious about h110 load data...
  3. Big-bore-bob

    Xtp hollow point vs. Xtp flat point consistency differences in .357 magnum

    Hello all, Had a testing session this weekend with several loads for my .44 mag and .357 magnum smith's. For the .357 686+, 4 inch barrel, using 158gr xtp hp's and fp's over 15.5gr h110, cci 550, coal 1.575, starline brass, I recorded a large difference in SD and ES between the two bullet...
  4. Big-bore-bob

    Smith and wesson 629-6 4 inch barrel h110 240 xtp velocity

    Hello all, I've posted a thread before concerning h110 and over pressure signs in a smith and wesson 629-6 44 magnum with a 4 inch barrel. My current load I've worked up is 23.5gr h110, 240gr xtp, cci 350 magnum primer, starline 2x fired brass, coal 1.5925, heavy crimp, SD 19, ES 68, AVG Vel...
  5. R

    Oooops!

    When loading my first Speer 158 gr JHP into a .357 magnum case, I neglected to notice that the die in the press was one that expands the mouth for the bullet. OK, it was quite late and it had been a long day. The result was that the bullet was seated rather deeply, and I'm sure the powder charge...
  6. MOP.GBB

    44 Mag - H110 Velocity Drop

    I know H110 is temp sensitive … or at least that seems to be the consensus, but this seems a bit much for a 23 degree drop in temp … from 72 to 55 degrees. These are 5 round groups with .5 grains of H110 increase between each group. Started at 18.0 and ended at 20.5 Using 300 grain, gas...
  7. C Younger

    H110 Reduced Loads

    I’ve recently started loading for a .357mag carbine and am seeing some load data that goes against what I’ve read about H110/296. It has always been my understanding that this powder needs a near full to compressed load for reliable function. With a 158gr bullet Hodgdon lists a starting charge...
  8. Down Range

    RCBS Powder Dropper Problems

    I have issued with my RCBS powder dropper. When I use powder like H110 or 2400 my powder dropper gets powder built up in the dropper I can hardly cycle the handle up and down. Any ideas?
  9. L

    357 Magnum, 158g hard cast lead TCBB, SPM primer: HS-6, IMR4227, H110?

    I've just started reloading for my 1974 Blackhawk 6.5" 357. I'm using a Lee Challenger Breech Lock SS press, Lee carbide dies and a mix of other stuff. I've successfully loaded lots of 38 Special using Trail Boss and SP primers. My intent is to develop the most accurate load for 25/50/100 yard...
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