close

Privacy guaranteed - Your email is not shared with anyone.

Welcome to Glock Talk

Why should YOU join our Glock forum?

  • Converse with other Glock Enthusiasts
  • Learn about the latest hunting products
  • Becoming a member is FREE and EASY

If you consider yourself a beginner or an avid shooter, the Glock Talk community is your place to discuss self defense, concealed carry, reloading, target shooting, and all things Glock.

IMR Powder data

Discussion in '10mm Reloading Forum' started by MCNETT, Aug 25, 2003.

  1. spongeman66

    spongeman66

    267
    0
    Apr 30, 2003
    DFW
    I would consider 800X to be medium to low flash. Nothing like Blue Dot for flash, and a little more flash than the DoubleTap powder.
    Sponge
     
  2. Tito

    Tito

    455
    0
    Jun 3, 2003
    Michigan
    Hey Spongeman:

    I can't open your McNett 800x spreadsheet. If I try to open it, I get a message that it has "been corrupted or no longer exists." If I try to save it I get a message that my computer doesn't recognize the program that created it.

    Any suggestions?

    Nevermind, I figured it out. Thanks!
     


  3. rickyj

    rickyj

    35
    0
    Jan 21, 2004
    CO
    Does 700x burn too fast or create too much pressure?

    Sorry, posted this in the main place too, just can't delete it out of here, won't let me.
     
  4. duckslayer79

    duckslayer79

    1,108
    0
    Jun 20, 2003
    How about some favorites for IMR 4756?

    Take Care
    "duck"
     
  5. Ascaris

    Ascaris

    39
    0
    Jan 11, 2004
    Tucson, AZ
    Anyone have any load data for 800x and 165-gr bullets?
     
  6. Cortland

    Cortland

    13
    0
    May 26, 2003
    Virginia Beach, VA
    I tested some 220 gr. LTCs today with my Shooting Chrony. Velocities are at sea level, 80 deg., 100% humidity.

    All loads are 220 gr. LTCs, IMR 800X, Starline cases, Winchester WLP, Witness w/ 4.5" barrel, average of 5 shot groups:

    6.0 - 885
    6.5 - 952
    7.0 - 997
    7.5 - 1032
    8.0 - 1072
    8.5 - 1116
    9.0 - 1147
    9.5 - 1189

    Leading was pretty heavy when I was finished.
     
  7. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    Went to the range and Chrono-ed some Winchester 180 FMJ's over some 800x using CCI 350's and Remington nickle cases.
    COL was at 1.250"
    Gun used was a stock G20 except for a 22lb Wolff Spring.

    All results were based on samples of 10 firings:

    8.7 gr 800x
    Average: 1168 FPS
    Standard Dev: 22
    Hi: 1212
    Lo: 1139


    9.0 gr 800X
    Average: 1208 FPS
    Standard Dev: 32
    Hi: 1242
    Lo: 1152

    9.3 gr 800X
    Average: 1253 FPS
    Standard Dev: 43
    Hi: 1318
    Lo: 1190


    I had one SERIOUS glock smiley from the 9.3 gr sample. Also, about half of the primers were very flattened from the 9.3 gr sample. From the other samples there weren't any noticeably bulged cases.


    -BuffaloBo
     
  8. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    Some new data today.
    Same vartiables as above EXCEPT 5" KKM barrel and only one sample @ 9.3gr IMR-800X


    1294
    1286
    1272
    1250
    1268
    1279
    1273
    1261
    1238
    1332

    Avg: 1275
    Std Dev: 26


    Cases look fine thanks to the KKM barrel. I'll try to bump up the powder charge next time.

    BuffaloBo
     
  9. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    Some new data today.
    Same variables as above EXCEPT 5" KKM barrel and two samples @ 9.5 and 9.7 grains.


    (9.5 gr IMR-800X)
    Avg: 1289
    Std Dev: 34
    Hi: 1374
    Lo: 1252

    (9.7 gr IMR-800X)
    Avg: 1326
    Std Dev: 22
    Hi: 1366
    Lo: 1284


    Some primers do appear "flattened". Numbers are very good, though.
     
  10. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    If anybody here, like myself, shoots 357 SIG from a G20 with the appropriate aftermarket barrel, I have some data here to share.


    G20 with Federal barrel(standard length)
    124 gr Speer Gold Dot
    Speer Cases
    CCI Primers
    10.0C IMR 800-X
    COL about 29.5mm


    A five shot group produced:

    Avg: 1449
    Std Dev: 13
    Hi: 1467
    Lo: 1434

    Cases appear not to be bulged at all. Primers appear normal.
     
  11. spongeman66

    spongeman66

    267
    0
    Apr 30, 2003
    DFW
    BuffaloBo
    Bullet weight and COL for the 357 Sig?
     
  12. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    Sorry, my bad. 124 gr Speer Gold Dot at a COL of about 29.5mm
    Sorry about the metric measure, but it's a lot easier to read and decipher than 32nth's of an inch.

    As you may know, the beauty of 357 SIG on the 10 mm platform is the latitude of COL's available. You can load'em long if you need to, because the mags are accomodating . I'm pretty sure I could have made the COL shorter in this loading. I didn't feel any abnormal resistance or see any bullet deformation as a symptom of powder compression.
     
  13. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    Some new data today.

    Glock 20
    5" KKM barrel
    CCI 350 magnum primers
    200 gr Hornady FMJ FP
    IMR 800-X


    (7 shot sample)
    7.8 gr IMR 800-X
    Avg: 1105
    Std Dev: 23
    Hi: 1138
    Lo: 1063

    (7 shot sample)
    8.1 gr IMR 800-X
    Avg: 1143
    Std Dev: 23
    Hi: 1173
    Lo: 1112


    Some observations:

    I'm a little disappointed with these results. I guessed these loads would have done better. Well anyways, the cases and primers appeared normal. I suppose there is some room to load them hotter next time.
     
  14. Tito

    Tito

    455
    0
    Jun 3, 2003
    Michigan
    I chrono'd 200g. XTPs over 10.0g of 800x through my G29 this past weekend and averaged just about 1250 fps. (KKM barrel and 22lb Wolf Spring).

    The primer pushed itself into the firing pin hole, leaving a raised square area on the primer.

    I was recieving velocities that I had anticipated with other loads, using other guns, and therefore believe this was legit.
     
  15. Medpilot 2

    Medpilot 2 Smkumifyagotum

    434
    1
    Oct 10, 2003
    Phoenix
    Wow, I've never seen that before. I guess that would be the time to step it down a notch.;)
     
  16. Tito

    Tito

    455
    0
    Jun 3, 2003
    Michigan
    Yeah, the primer didn't unseat itself, it just left a raised rectangular impression around the firing pin indentation.;P
    Apprx. 2mm high and 1mm wide
     
  17. BuffaloBo

    BuffaloBo

    278
    0
    Jun 22, 2004
    What you speak of is quite normal with hotter than usual loads. One needs to be concerned when then primer is flush with the base and appears very flat.
     
  18. saands

    saands

    2
    0
    Oct 12, 2005
    I can't tell you how happy I was to find this forum! I think that it is really cool that the pros are willing to share their data ... and I was really stoked to see actual pressure numbers for the 135gr load ... but then it occurred to me that they were too far over 37.5kpsi for me to want to go there. They do serve as a good boundary for me not to cross, but are there any measured 800X pressures for 135gr Noslers that are a little closer to the SAAMI max?

    Thanks so much,

    Saands
     
  19. Rigormootis

    Rigormootis Semper Gumby

    1,009
    3
    Feb 13, 2002
    WI
    Hi guys.

    I have been reading that some of you have had some success in tweaking your Uniflow measures to handle 800x reasonable well (used w/ the small cylinder, baffle, and kept mostly full at all times)...

    That said, mine is not working so well.

    So, while I am inclined to continue to play with it, I thought I'd ask if any here are using an electronic powder scale/dispenser for 800x. It seems to me that powder drop should meter based on weight...not volume...correct? If so, this seems like a naturally better way to meter out 800x.

    Thoughts?
     
  20. saands

    saands

    2
    0
    Oct 12, 2005
    I'm currently trickling/weighing each charge by hand ;g but I'm thinking that the electronic approach will be my Christmas present ...

    Saands