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  • tbx-4's Avatar
    02-10-2018, 05:48 PM
    Deadeye, Sent you a PM.
    16 replies | 720 view(s)
  • tbx-4's Avatar
    02-09-2018, 10:15 AM
    Deadeye, The damaged barrel has a bore that looks unused. No kidding... but it’s been cut down to 27.5”! Would make a nice carbine barrel though.
    16 replies | 720 view(s)
  • tbx-4's Avatar
    02-09-2018, 10:05 AM
    webfoot, Yes sir, I got this from you! Finally getting around to doing something with it. I like the idea of a switch barrel but how would you do that? Unscrew the barrel every time you changed calibers? But then fixing the old barrel is just...
    16 replies | 720 view(s)
  • tbx-4's Avatar
    02-08-2018, 03:16 PM
    fireby, I ordrerd one and have it in my hot little hands now. It’s just as you say, a little rough on the outside but very good bore. Nothing a few turns on a lathe and a little emery cloth can’t fix as far as the out side goes. I have...
    16 replies | 720 view(s)
  • tbx-4's Avatar
    02-06-2018, 11:57 PM
    Yes. One would have to be made like an original but with L shape to reach under the rim of the small case. It wouldn’t have to be much of an extension. One could buy a drill rifle extractor and do a little TIG welding on it, they’re inexpensive. I...
    16 replies | 720 view(s)
  • tbx-4's Avatar
    02-06-2018, 10:51 PM
    I've read where someone converted a Springfield Trapdoor to 38-55. Was wondering if anyone has tried .357 magnum. I did some bolt thrust calculations and come up with 3948 psi for .357 mag and 5041-5644 psi for 45-70 Gov. (Range is based on...
    16 replies | 720 view(s)
  • tbx-4's Avatar
    02-06-2018, 10:09 PM
    Right, I figured "bright finish" wasn't any type of plating. So I underestimated polished steel as viable finish. Thought is was some kind of treatment to keep from rusting. And rust bluing is something I plan on learning. Thanks guys for...
    8 replies | 451 view(s)
  • tbx-4's Avatar
    02-06-2018, 12:11 PM
    M-96, The Trapdoors came in blued and bright finish. The bright finish is seen more in the earlier models from my experience. I have Trapdoor parts from various sources, some where blued, some were bright finished. Here are some links to bright...
    8 replies | 451 view(s)
  • tbx-4's Avatar
    02-05-2018, 11:24 PM
    “It depends on what the "bright finish" is?” Yes, that’s what I’m asking. Good suggestion on the cold blue test. I’ll try that, thanks. I thought it had to be more than just polished steel because it would rust too easy. Or am I wrong?
    8 replies | 451 view(s)
  • tbx-4's Avatar
    02-04-2018, 11:09 PM
    How or what makes the bright finish on the Springfield Trapdoor rifles? What's involved in bluing a once bright finished rifle? It's not that I want to ruin a nice bright finish rifle but I have parts that were bright finished but now have rust...
    8 replies | 451 view(s)
  • tbx-4's Avatar
    02-04-2018, 11:01 PM
    A cool dry location is more essential to brass life or for that matter even life of steel. Desiccants in the bag with your brass is not a bad idea but plastic is permeable. So even in a mildly damp environment moisture can get through the plastic,...
    24 replies | 918 view(s)
  • tbx-4's Avatar
    02-02-2018, 12:53 AM
    Thank you Bruce!
    2 replies | 181 view(s)
  • tbx-4's Avatar
    02-01-2018, 04:04 PM
    Anyone know the thread pitch and dimensions for the M1884 Springfield Trapdoor barrel Or better yet, any drawings out there? Thanks
    2 replies | 181 view(s)
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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