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  1. PRD1

    Should be simple

    I have approached the same problem in a different way: I hacksaw or file a slot across the stud and use an appropriate-sized screwdriver to remove and replace the stud. It is not necessary to make the slot deeper than about 1/8", and the slot should be oriented across the length of the...
  2. PRD1

    Trapdoor Grouping

    FWIW, the non-regular units who fought in the SAW were armed with the trapdoor - except the Rough Riders, who were armed with Krag carbines (possibly because of the well-connected and well-known nature of some of the leaders and members) - and the ammunition was still loaded with BP. In fact...
  3. PRD1

    Trapdoor Grouping

    Good idea. It is not easy to measure the internal dimensions of the trapdoor's 3-groove barrel. I have three-point internal micrometers for the job, but they are not inexpensive. If you make a good slug, you can get a pretty accurate measurement by gently 'rolling' the slug and carefully...
  4. PRD1

    Trapdoor Grouping

    The bore diameter for the .45-70 trapdoors of all models was specified at .450", and, because the bore was reamed to final diameter, there is little variation in that dimension. The groove depth was specified as .005", which, if held, would result in a groove diameter of the specified .460"...
  5. PRD1

    three questions

    1. I use beeswax/Crisco 1:3 mix 2. No wadding should be used as a patch on the ball or over the ball in a revolver, though grease wads of felt or similar material under the ball are safe 3. 40 grains is sufficient in the Walker - this is the original load in the .45 Colt cartridge, and gives...
  6. PRD1

    45-70 Factory Ammo Question

    The original 1873 and later Trapdoor rifles have steel barrels - but it is a mild steel, and not equal to later alloy steels for physical strength or wear resistance. I have measured some hundreds of .45-70 Trapdoor barrels with proper measuring instruments, and have found that the average...
  7. PRD1

    Help: ID this tool/die

    The die is for the Lyman 310 hand tool, useable with the Lyman Tru-Line presses as well. The adapter ring is threaded 7/8 - 14, to allow use in standard reloading presses with that thread size. Normally, the Lyman dies are marked to indicate type and caliber. PRD1 - mhb - MIke
  8. PRD1

    Historic bolt action rifle ID

    Definitely Japanese - apparently a late-wartime type 99, though it could be a training rifle. If there are any legible markings on the top of the receiver ring, they would help in making full identification. PRD1 - mhb - MIke
  9. PRD1

    Greatest invention in firearms history

    Do a search on 'dynamite gun/dynamite cannon' - USS Vesuvius - Spanish-American War... PRD1 - mhb - MIke
  10. PRD1

    308 LC Match brass questions

    The LC match brass, both cal. .30 and7.62mm, has uncrimped primer pockets. The easiest way to determine relative case volume is by simply taking examples of each type of brass you wish to load, weighing them empty, and then filling each with water to the case mouth and weighing them again...
  11. PRD1

    Rebarreling a Remington 700

    I guess I should have said 'good conditioned' take-off barrels - I myself have removed several brand-new Remington 700 barrels for custom barrel jobs, and a larger number of used ones, and the .270 (if that is what the OP wishes to have) is rarely found in badly worn or shot-out condition. I...
  12. PRD1

    Rebarreling a Remington 700

    Also, many gunsmiths have a number of original barrels which they have removed in customizing other rifles - some in new or near-new condition, and your barrel can probably be replaced with just such a take-off barrel. Ask your gunsmith. PRD1 - mhb - MIke
  13. PRD1

    How old is this black powder rifle?

    The photos are not very clear, but what can be seen is a modern reproduction, possibly Spanish, and not much more than, say, 50 years old, but likely newer than that. It does not appear to be an antique of any sort. PRD1 - mhb - MIke
  14. PRD1

    Springfield 1871 crack

    It may be that the 'crack' is only a flaw in the surface of the original receiver forging, and not a safety issue - such flaws are often visible on the receivers of 1873 Winchesters and some others of the same vintage.. I suggest removing the foreend and checking to see whether the 'crack'...
  15. PRD1

    Where to get a 9mm rifle barrel? Not for AR

    FWIW: 9mm rifles do exist - the Spanish Destroyer bolt action (q.v.), w/detachable magazine, in 9mm Largo. Most of them will also accept .38 ACP/Super ammunition, as well. PRD1 - mhb - MIke
  16. PRD1

    Favorite 7mm?

    The .276 Pedersen, for which I once owned a Vickers-Pedersen SLR, and for which I still have a custom sporting rifle in that caliber, as well as a full case (1680 rounds) of FA29 ball ammunition - though I don't shoot the old surplus, instead reforming 6.5x54MS brass. Not a well known or very...
  17. PRD1

    What is the nicest gun you were ever given as a gift?

    Quite recently, I received this as a completely unexpected gift from my friend and fellow member of the Historical Arms Society of Tucson (AZ), Roy Marcot. It was given to him by the builder, Jerry Swinney, and Roy just said that, of those he knows, I am the most likely to appreciate it. It...
  18. PRD1

    Group thoughts on Feasibility..

    The Stevens Favorite is not a good candidate for conversion to the .25-20 or any centerfire cartridge. The Favorite is a small action with takedown which renders it unsuited for the higher pressure centerfires - the single-shot Stevens action which is suitable for the conversion is the #44...
  19. PRD1

    Straight wall principles with bottlenecks

    Other factors being equal, larger powder charges to produce higher velocities WILL increase the rate of throat erosion. PRD1 - mhb - MIke - barrel maker, retired
  20. PRD1

    winchester tang sight

    I've seen both conditions of the staff out of vertical - leaning either fore or aft, or left or right. The shimming method works for the latter condition, but probably not for the former. The OP will have to clarify the nature of the problem, to permit correct advice on how to fix it. PRD1...
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