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Post by bradshaw on Nov 5, 2023 13:41:13 GMT -5
I went ahead and sent this 240gr version of the Bradshaw Martin 194gr 357 bullet to Tom at Accurate Molds and I did it in both PB and GC versions. They are listed as 36-250E and 36-250F. I also went ahead and ordered a 6 cavity mold with 3 cavities as the PB and 3 cavities as the GC, man is it a work of art. I got a chance to cast some up this morning and man do they look great. With my alloy that was in the pot both versions dropped at 243gr. I have to dig out my GC's so the GC version will weigh a tad more. I plan to coat these with a synthetic coating (not sure which one yet) I will plan to run them seated as Lee and David suggest over the top band. I also want to see if I could also load them in the 357 mag but loaded long crimped over one of the lower bands and see how they shoot out of my 357 Redhawk.  ***** Trust we see a report on your stretched, 243-grain, version of the .357 Bradshaw-Martin 194 SWC GC. Were it in my hand, I would start with... Powder* Win 296/H110. Shortened powder column of deep seated 243 SWC should improve accuracy in the 1.605-inch case. Velocity will be faster than H4227. * Win 680 or Accurate 1680. * IMR 4227/H4227. Per my practice. the case is charged to the base of seated bullet * Weigh powder from case. * Adjust powder measure to throw that volume. Thus, if the load targets, the measure is already set. * Weigh thrown charge. Target* Test fire & ZERO @ 25 yards. * Target @ 50 yards. * Target @ 100 yards. * Cardboard yields a better graphic of yaw than paper. Why 100 yards? Answer: stability @ 50 yards does not prove stability @ 100 yards. Stability of a revolver bullet @ 100 yards has a high chance to continue. TwistTarget with whatever you have. It’s possible 1:16” will stabilize. If you have a 1:14” try it, also. If I had SRM prototype SRM-2, for which Bill Ruger, Jr., fit ten barrels----twist ranging from 1:10” to 1:60----I would try 1:10, 1:12, 1:14, 1:16, and 1:18-3/4. Doing so would bracket stability. You don’t want to be on the wire edge of stability. Seating and roll crimpMy first test shot probably would have a thin slice of air----thickness of a notebook cover----between powder and bullet. With their longer cylinders, the DWA M40 and Seville Maximums may permit a roll crimp .030” above the second band. David Bradshaw |
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Post by 41freak on Nov 5, 2023 15:06:31 GMT -5
They look great, I have to finish coating a bunch of the 41's hopefully I will get them finished this week and also coat some .475 and the 240 BM .357 bullets above. Where is the .475 option shown? I’d love to get it! I haven't drawn a .475 Lee Martin LFN version that I remember but I will work on it,As it would more than likely make a great 480 Ruger bullet. |
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Post by 41freak on Nov 5, 2023 15:11:34 GMT -5
I went ahead and sent this 240gr version of the Bradshaw Martin 194gr 357 bullet to Tom at Accurate Molds and I did it in both PB and GC versions. They are listed as 36-250E and 36-250F. I also went ahead and ordered a 6 cavity mold with 3 cavities as the PB and 3 cavities as the GC, man is it a work of art. I got a chance to cast some up this morning and man do they look great. With my alloy that was in the pot both versions dropped at 243gr. I have to dig out my GC's so the GC version will weigh a tad more. I plan to coat these with a synthetic coating (not sure which one yet) I will plan to run them seated as Lee and David suggest over the top band. I also want to see if I could also load them in the 357 mag but loaded long crimped over one of the lower bands and see how they shoot out of my 357 Redhawk. ***** Trust we see a report on your stretched, 243-grain, version of the .357 Bradshaw-Martin 194 SWC GC. Were it in my hand, I would start with... Powder* Win 296/H110. Shortened powder column of deep seated 243 SWC should improve accuracy in the 1.605-inch case. Velocity will be faster than H4227. * Win 680 or Accurate 1680. * IMR 4227/H4227. Per my practice. the case is charged to the base of seated bullet * Weigh powder from case. * Adjust powder measure to throw that volume. Thus, if the load targets, the measure is already set. * Weigh thrown charge. Target* Test fire & ZERO @ 25 yards. * Target @ 50 yards. * Target @ 100 yards. * Cardboard yields a better graphic of yaw than paper. Why 100 yards? Answer: stability @ 50 yards does not prove stability @ 100 yards. Stability of a revolver bullet @ 100 yards has a high chance to continue. TwistTarget with whatever you have. It’s possible 1:16” will stabilize. If you have a 1:14” try it, also. If I had SRM prototype SRM-2, for which Bill Ruger, Jr., fit ten barrels----twist ranging from 1:10” to 1:60----I would try 1:10, 1:12, 1:14, 1:16, and 1:18-3/4. Doing so would bracket stability. You don’t want to be on the wire edge of stability. Seating and roll crimpMy first test shot probably would have a thin slice of air----thickness of a notebook cover----between powder and bullet. With their longer cylinders, the DWA M40 and Seville Maximums may permit a roll crimp .030” above the second band. David Bradshaw David, I currently only have a G2 Contender in 357 Max, a 10" with a 1:14 or 1:16 twist if I remember correctly. I plan to coat them and was planning to use H110 powder to start with. As soon as I get them coated and loaded I will post my findings. I would love to find a DW 740, but with the current used gun prices they are a tad out of my grasp right now. |
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Post by 41freak on Nov 5, 2023 16:41:08 GMT -5
I went ahead and sized and made up some dummy rounds in 350 Ledgend, 357 Maximum, 357 Magnum and 38 Special (I was surprised it fit. Actually when I grabbed the 357 cases I had a 38 Special case mixed in and since I had it already sized, I figured why not.) I will need to run the numbers in Quickload to get an idea on what each cartridge could do. I figure the 350 Ledgend and 357 Maximum will do well with it velocity wise, but the 357 Magnum I have no idea, same with the 38 Special. When running the numbers I will not go over max psi for the cartridge except maybe I will go into +p range but I don't think I will be able to hit 850 fps but will see.  |
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ideal
.240 Incinerator
Posts: 96
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Post by ideal on Nov 5, 2023 21:50:26 GMT -5
No I haven't drawn up any other calibers, I will talk to Lee for his suggestions but I think they will be heavier then 250gr. If not, it's not a huge deal. I'm not short on 44s, but well, you know, new.... shiny  |
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Post by bushog on Nov 5, 2023 22:31:05 GMT -5
Where is the .475 option shown? I’d love to get it! I haven't drawn a .475 Lee Martin LFN version that I remember but I will work on it,As it would more than likely make a great 480 Ruger bullet. Was asking because you mention coating .475 bullets…. But, it is a great idea! |
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Post by Lee Martin on Nov 6, 2023 13:26:07 GMT -5
I haven't drawn a .475 Lee Martin LFN version that I remember but I will work on it,As it would more than likely make a great 480 Ruger bullet. Was asking because you mention coating .475 bullets…. But, it is a great idea! Here's the link to my .475-caliber 445 gr LFN. It has shot well in both the .475 Linebaugh and .480 Ruger: singleactions.proboards.com/thread/15207/475-cal-445-gr-lfn-Lee www.singleactions.com"Chasing perfection five shots at a time" |
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Post by 41freak on Nov 6, 2023 14:09:12 GMT -5
I haven't drawn a .475 Lee Martin LFN version that I remember but I will work on it,As it would more than likely make a great 480 Ruger bullet. Was asking because you mention coating .475 bullets…. But, it is a great idea! The 475's I am coating are LBT LFN's. But Lee put the link for his 475 LFN so I will get it drawn up as well. |
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Post by 41freak on Nov 6, 2023 14:26:13 GMT -5
No I haven't drawn up any other calibers, I will talk to Lee for his suggestions but I think they will be heavier then 250gr. If not, it's not a huge deal. I'm not short on 44s, but well, you know, new.... shiny I spoke to Lee and he likes the idea of doing other calibers and will get me some specs and I will get them drawn up. |
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Post by bradshaw on Feb 13, 2024 11:44:12 GMT -5
Just now reading some of the material in this excellent thread. Some fine input, along with snippets of unsubstantiated criticism
To emphasize a point Lee and I frequently discuss, which inevitably separates serious competitors and champions from the “Been There Done That” crowd: performance on the Firing Line cannot be bought. Because the only place to verify ability is through PERFORMANCE on the FIRING LINE. Competitors respond to performance, not sarcasm. For the person who wants to argue a technical detail, by all means go for it; demonstrate it on the Firing Line.
Gunsmiths tend to focus on things they can work on, and to avoid things they haven’t the capacity to alter. For example, “recrown the muzzle,; or, "recut the forcing cone" with a hand tool. The same gunsmith probably cannot address chamber-to-bore misalignment, so he ignores it, and, in the process, never learns the relationship of the forcing cone to chamber-to-boire alignment.
Competitors are impressed with performance. The Firing Line is a never-ending proving ground for firearms, ammunition, sights, and technique. Observed performance settles accounts.
David Bradshaw
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Post by 41freak on Feb 20, 2024 11:54:05 GMT -5
I am going to try and get some additional Lee Martin Design bullets drawn up and submitted to Tom, I am hunting this weekend so I plan to start them the following weekend. I know I have to get the 475 LFN bullet drawn up, but what other calibers would you like to have done.
So far here is what is already in Tom's catalog. (Look back in this thread to see the drawings.)
36-160F
36-190D
36-250E
36-250F
41-240V
41-290A
45-319D
51-540A
Here are some designs Lee posted.
133 gr 32-cal
228 gr 375-cal (light LFN profile)
240 gr 41-cal (light LFN profile) This one has been done.
290 gr 41-cal this one has been done.
315 gr 45-cal (light LFN profile) this one has been done.
380 gr 45-cal
370 gr 475-cal (light LFN profile)
445 gr 475-cal
515 gr 501-cal
505 gr 512-cal (light LFN profile) this one has been done.
585 gr 512-cal
800 gr 585-cal
Also would anyone be interested in doing other calibers in the Bradshaw Martin design, I think 41 cal and 44 cal might be interesting as well as .500 for the 500 S&W and 500 Bushwacker cartridges.
Please post what you would like and I will get with Lee and David and get them drawn up.
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Post by bushog on Feb 20, 2024 13:15:54 GMT -5
I'm not exactly what you want here but these are the ones I'd like to see added to Tom's catalog.
Thanks for doing this!
133 gr 32-cal
380 gr 45-cal
370 gr 475-cal (light LFN profile)
445 gr 475-cal
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Post by 41freak on Feb 23, 2024 9:21:58 GMT -5
The 445gr 475 cal is in process, I have to make a small change and will submit gc and pb versions shortly.
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Post by 41freak on May 29, 2024 10:26:54 GMT -5
I just received the .475 Martin LFN mold from Tom at Accurate Molds, and it is a beautiful work of art, I almost hate to use it, but if I get home early enough tonight I will cast some up.  |
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Post by Lee Martin on Jun 3, 2024 12:09:52 GMT -5
I just received the .475 Martin LFN mold from Tom at Accurate Molds, and it is a beautiful work of art, I almost hate to use it, but if I get home early enough tonight I will cast some up. I think you'll like that bullet. It has flown well for me out of both the .480 Ruger and .475 Linebaugh. -Lee www.singleactions.com"Chasing perfection five shots at a time" |
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