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Thread: BR-5 usage/test loads

  1. #21
    Boolit Master Castaway's Avatar
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    After the post above, I did two separate work-ups with BR 5, one in my Black Hawk, the other in my Win 92, both in 45 Colt. I baselined with 7.9 grains of Unique compared to 7.9 of BR 5 and did 5 loads from each firearm. Below is what I did for the Black Hawk.

    Previously I posted BR 5 data with my Win 92 in 45 Colt. This time I used a 7 1/2” barreled Black Hawk in 45 Colt. Jeff Bartlett gives initial guidance saying use Unique data. To get a comparison, I base-lined with 7.9 grains of Unique and a 7.9 grain load of BR 5, both using Lee’s 255 gr RNFP bullet. As a side note, 7.9 grains of Unique drops from a 1.02 cc Lee disk, 7.9 grains of BR 5 has a volume of 0.67 cc, the closest Lee disk is 0.66cc. If you were to use the Lee 1.02 disk, you’ll end up dropping 12.1 grains of BR 5. I didn’t go that far, but I feel it would be entirely safe in either the 92 or Black Hawk. Having no way of checking pressure, I considered ease of extraction, knowing that isn’t reliable with straight wall cases, and primer condition. No load resulted in a flattened primer, although I have a feeling I was approaching, or at +P pressures, but nowhere near Ruger/Thompson level high-end loads with 11.2 grains of BR 5. Five rounds were fired with each load. Most accurate load was with 11.2 grains of BR 5 which was no surprise given the low standard deviation.

    Load Lee disk Velocity (f/s) SD
    7.9 gr Unique 1.02 cc 887 14.93
    7.9 gr BR 5 None (6.7 cc) 674 126.3
    9.7 gr BR 5 0.82 cc 907 33.95
    10.5 gr BR 5 0.88 cc 997 18.94
    11.2 gr BR 5 0.95 cc 1095 12.4
    Last edited by Castaway; 10-17-2021 at 06:52 AM.

  2. #22
    Boolit Mold
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    Some anecdotal feedback on BR-5 in the 500 Linebaugh:
    Finding Unique getting scarce, I picked up a tub of BR-5 and found it slower than Unique.
    I’ve settled on 12-14gr for accurate and easy shooting loads using 320 win and 470 kt boolits. These are burning cleaner than my Unique and providing the same “feels like” and point of aim/point of impact as when using 10-12 gr of Unique.
    These aren’t boomer loads by any means, but are fun to shoot, will knock there way through 6” of juniper, and leave plenty of bullet splash for spotting long range impacts.
    Russ

  3. #23
    Boolit Mold
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    More BR-5

    [QUOTE=GSP7;4877369]Anyone else playin' with BR-5?


    I am. No pistol loads yet though. Just 12ga trap loads. Thought I'd give it a try. 25gr, 1 1/8oz. Seems to shoot good. My 25's this season were my best yet. Next will be .38. Ordered From GI Brass. 60# should last me a while.

  4. #24
    Boolit Mold
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    Using BR-5 in my trap loads

    [QUOTE=Mike_54729;5340071]
    Quote Originally Posted by GSP7 View Post
    Anyone else playin' with BR-5?


    I am. No pistol loads yet though. Just 12ga trap loads. Thought I'd give it a try. 25gr, 1 1/8oz. Seems to shoot good. My 25's this season were my best yet. Next will be .38. Ordered From GI Brass. 60# should last me a while.
    ++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++

    Using 25gr in 12 ga 1 1/8ox loads. Switched at the start of the season. What can I say. My best season in 40 years. I'm not a great shooter, but had 4 25's. Only shot 5 in my life. I will be trying BR-5 in .44, .45, 9mm, 45AR, and 38 in the near future. Might take a while, but I'll try some of the suggestions noted, and post my results. I still have 66# to burn up.

  5. #25
    Boolit Master

    Eddie Southgate's Avatar
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    Any of you tried it with cast in rifle cartridges ?
    Grumpy Old Man With A Gun....... Do Not Touch !!

  6. #26
    Boolit Master
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    well the boss said to use data for unique, but unique is not a ball powder, not sure if it makes a difference, some have said that AA5is uniques equivalent in a ball powder and has blown up some Glock 40's, but the loads in them Glock 40's just might been put together by some hot rodders that dont think they have to play by the rules.
    wish I went to ballistics engineering school

  7. #27
    Boolit Buddy
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    Pretty sure it's shooter's world auto pistol/lovex d036

  8. #28
    Boolit Buddy johnnybar's Avatar
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    Quote Originally Posted by Multra View Post
    Pretty sure it's shooter's world auto pistol/lovex d036
    I'll look again but I thought it was closer to Lovex S020.

  9. #29
    Boolit Master Castaway's Avatar
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    It’s somewhere near Blue Dot and 3N38

  10. #30
    Boolit Master

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    How fine is it? Leaky fine like 296, or coarser?

  11. #31
    Boolit Master Castaway's Avatar
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    It’s fine.

  12. #32
    Boolit Master


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    Quote Originally Posted by Eddie Southgate View Post
    Any of you tried it with cast in rifle cartridges ?
    I shoot 150 plain based cast Accurate 150T powder coated over 8 grs of BR-5 with a Win Large PISTOL primer with very good accuracy. This the first 30-30 load I tried and stuck with it.
    Last edited by jaysouth; 03-01-2023 at 02:29 AM.

  13. #33
    Boolit Buddy
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    I found a superb load for the Lyman 356402 using 5.2 grains BR-5 and EPH20 primers. Average velocity was 1,075 fps with an SD of 17. At 12 yds, ten rounds printed a 1.125" size group.

  14. #34
    Boolit Buddy
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    Still working with BR-5 and did some comparison with EPH20 and CCI factory primers. All three examples exhibited excellent accuracy (for me...under 2" at 12 yards, all shot from a rest) was almost the same among the three examples listed but the chronograph numbers are mystifying. From what I can tell, the EPH20 primers appear to ignite instantly but I have to wonder if there isn't a microsecond of hangfire causing the wide variation in velocities. I do have to admit that the .003¢ per primer cost vs. 10¢ for a factory primer is very appealing. I'll save my factory primers for another day.
    Click image for larger version. 

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  15. #35
    Boolit Mold
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    The following load information is directly from Jeff at GIBRASS.
    I've loaded .44spl, .45acp and 9mm with the BR5 powder and like it very much.



    BR-5
    Pistol Powder




    Caliber Bullet Charge Velocity

    380 ACP 90gr FMJ 3.8 – 4.1 gr. 875 – 950 fps
    380 ACP 100gr FMJ 3.7 – 3.9 gr. 825 – 900 fps

    38 Super 100gr FMJ 5.9 – 6.6 gr. 1250 – 1375 fps
    38 Super 115gr FMJ 5.8 – 6.3 gr. 1100 – 1190 fps
    38 Super 124gr FMJ 5.6 – 6.1 gr. 1080 – 1180 fps
    38 Super 147gr XTP 5.4 – 5.6 gr. 850 – 1120 fps

    9x19 115gr FMJ 4.6 – 5.6 gr. 1010 – 1150 fps
    9x19 124gr FMJ 4.7 – 5.4 gr. 960 – 1080 fps
    9x19 147gr XTP 4.4 – 4.8 gr. 840 – 890 fps

    38 Spl 125gr JHP 5.6 – 6.2 gr. 1009 – 1109 fps
    38 Spl 158gr LSWC 5.0 – 5.6 gr. 941 - 1046 fps
    38 Spl 158gr XTP 5.0 – 5.6 gr. 877 – 973 fps
    38 Spl+P 124gr XTP 5.7 – 6.7 gr. 1029 – 1180 fps

    40 S&W 155gr XTP 6.8 – 7.3 gr. 1088 – 1165 fps
    40 S&W 170gr FMJ 6.1 – 6.6 gr. 1005 - 1080 fps
    40 S&W 200gr XTP 4.7 – 5.5 gr. 805 - 920 fps

    10mm Auto 155gr XTP 7.5 – 7.8 gr 1210 – 1250 fps
    10mm Auto 200gr XTP 6.8 – 7.8 gr. 1020 - 1110 fps

    44 Spl 200gr XTP 7.2 – 8.0 gr. 860 – 950 fps

    45ACP 185gr XTP 8.9 – 9.9 gr. 1037 - 1152 fps
    45ACP 200gr FMJ 7.6 – 8.4 gr. 935 – 1040 fps
    45ACP 230gr FMJ 6.5 – 7.5 gr. 805 – 870 fps
    45ACP 250gr FP 5.7 – 6.7 gr. 745 - 820 fps

  16. #36
    Boolit Master Thumbcocker's Avatar
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    Thanks for sharing this.

    Sent from my SM-G960U using Tapatalk
    Paper targets aren't your friends. They won't lie for you and they don't care if your feelings get hurt.

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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