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  • Ballistics in Scotland's Avatar
    05-25-2017, 05:06 AM
    Yes, I know BSA chambered just a few of their small Martinis in .32-20, so it is well worth keeping in the original chambering. Unlike the Belgian .410s these could be loaded to the highest Winchester 92 pressures. It may be that all or most of them...
    19 replies | 651 view(s)
  • Ballistics in Scotland's Avatar
    05-23-2017, 07:49 AM
    A shorter coilspring actually has more power. What can give the illusion of less, is that it has less preload, which can give rise to ruptured primers. But I think this isunlikely with .45ACP pressure. There are two ways of putting more oomph...
    31 replies | 1289 view(s)
  • Ballistics in Scotland's Avatar
    05-22-2017, 04:57 AM
    You can buy compound tables for drill presses, with left-right and fore-and-aft movement of the workpiece by handwheels. Some of them are quite inexpensive. They are usually described as turning it into a milling machine, which they do rather badly....
    19 replies | 804 view(s)
  • Ballistics in Scotland's Avatar
    05-22-2017, 04:48 AM
    Good point. If you go to see the Mona Lisa you will be somewhat impeded by French art students on camp-stools, making copies. It isn't because the think there is a need for more than one Mona Lisa in the world, or even because they plan for their...
    31 replies | 1289 view(s)
  • Ballistics in Scotland's Avatar
    05-22-2017, 04:18 AM
    The one that occurs when the rifle is on aim, that's true. I agree that most improvements in firearms have actually been improvements in production economics. A plastic tree can eliminate many snags for the average tree user. But few Mausers have...
    17 replies | 626 view(s)
  • Ballistics in Scotland's Avatar
    05-20-2017, 09:17 AM
    I'd agree with this. The early ones were described as gun iron, and probably case-hardened. I would much rather silver solder a thin sheet of good steel onto the face of the bolt-head, preferably using Brownells 355 silver solder, which comes in a...
    18 replies | 3004 view(s)
  • Ballistics in Scotland's Avatar
    05-20-2017, 09:06 AM
    I too would take this as meaning the headspace was .020in. over the rim thickness, i.e. the cartridge has that much longitudinal free movement. I would call that borderline for safety, and almost certain to harm accuracy and case life. If it was a...
    18 replies | 3004 view(s)
  • Ballistics in Scotland's Avatar
    05-20-2017, 07:59 AM
    The Mauser and the double shotgun and every sort of metallic cartridge seem practical enough to be going along with. I always thought the Mannlicher M95 was about the best of the straight-pull actions, unless you count the Swiss K31 as better, but...
    17 replies | 626 view(s)
  • Ballistics in Scotland's Avatar
    05-20-2017, 06:45 AM
    Those seem like extreme cases. I think you would get plenty of takers - here - for the $20 but very few for the $800.
    31 replies | 1289 view(s)
  • Ballistics in Scotland's Avatar
    05-20-2017, 06:41 AM
    Not many people know that British bombers of the Second World War ran on jeweller's rouge. Rub some on a fast-rotating cloth or lambswool polishing mop, and as long as the stuff hasn't been left on longer than a minute or so, the Plexiglas should...
    82 replies | 1960 view(s)
  • Ballistics in Scotland's Avatar
    05-20-2017, 06:26 AM
    I don't recommend threatening the peace of two Commonwealth realms by importing anything as commonplace as a .410. But this website is a well-illustrated guide to what you might be looking for. ...
    19 replies | 651 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 01:53 PM
    If you must use a drill press, you can first drill a piece of metal to use as guide bushing. Stick it to the top of the blocks with epoxy, making sure it is aligned with the split, and then drill through it. It will come off when heated a lot less...
    19 replies | 804 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 10:48 AM
    A lot of carbide burrs, nominally 5/16in. or 8mm., actually cut a bit undersized, but you don't know until you've got them. Those made for aluminium, with unnotched teeth like complete little spiral blades, are most likely to give a smooth surface.
    19 replies | 804 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 10:16 AM
    There is much truth in that, but there must be massive stocks of parts still around, and good copies being made for some things. I get 121,508 hits for "Goldwing" under "motorcycle parts" on eBay, and that is only eBay UK, where we have things that...
    82 replies | 1960 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 08:18 AM
    I'd sooner do it to a Mauser than an Enfield, even an Enfield that has already been sporterised with its ears amputated. They are simply long enough for most purposes. But there is a lot more than twice as much point in doing it to two Mausers, as...
    31 replies | 1289 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 08:04 AM
    That, I think, would be well-nigh indispensable once you have had the carburettors apart and back together again. Except that they probably have something other than mercury now, in case we all poison ourselves.
    82 replies | 1960 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 08:01 AM
    This is another good point. I mentioned a vacuum nipple in the manifold, but cracks between air filter and carburettor can also weaken the mixture. I believe a German tank, probably a Panzer IV, was excavated from sand in Libya recently and started...
    82 replies | 1960 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 07:38 AM
    This is something that would be a lot better done with a lathe or milling machine than a drill press. It might help if you weight the table with something heavy, and prop it with a piece of wood to stop it drooping. The best way of getting a smooth...
    19 replies | 804 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 06:36 AM
    Sounds good so far. A full professional carburettor strip and clean can indeed be expensive, but the use of cleaner and unscrewing and cleaning of the float bowls and filters might do all you need. Next stop ought to be buying a Haynes or Clymer...
    82 replies | 1960 view(s)
  • Ballistics in Scotland's Avatar
    05-19-2017, 06:15 AM
    It isn't primarily centrifugal force that makes a doughnut pattern in rifles. The pellets on the outside are spinning in a wide spiral, reducing in diameter as you go inward, until the ones in the centre aren't spinning at all. That could produce a...
    10 replies | 519 view(s)
  • Ballistics in Scotland's Avatar
    05-18-2017, 07:20 PM
    You could spend a few hundred and still come out on top, at that price, but nobody is going to tack a bit of time onto the far end of your life to replace any time and energy you waste. Nothing that stops an engine starting can be ruled out by...
    82 replies | 1960 view(s)
  • Ballistics in Scotland's Avatar
    05-18-2017, 01:18 PM
    Yes, they are rather pleasant little firearms. Unlike some modern .410s they usually have an adult length stock. I think those were more likely bulges, almost certainly caused by bore obstructions, rather than pitting. A barrel so thinned by...
    19 replies | 651 view(s)
  • Ballistics in Scotland's Avatar
    05-18-2017, 06:46 AM
    Yes, just like the Velo Dog revolver was to protect cyclists from dogs, and there must be some good reason I haven't thought of for baseball bats to outsell baseballs. With no numberplates and inconspicuous parking, it was pretty common for poachers...
    19 replies | 651 view(s)
  • Ballistics in Scotland's Avatar
    05-17-2017, 09:11 AM
    Yes, I did a search for "lace-on cheek-piece" (which gets plenty of hits, including Brownells), and Google or Windows or some other smartass asked me if I meant "lace-on cheek piece", so it can't be an uncommon request. If it slides, try...
    11 replies | 385 view(s)
  • Ballistics in Scotland's Avatar
    05-16-2017, 07:18 AM
    When you consider how much time and trouble go into a rifle conversion, there is a lot to be said for using a new barrel blank. It is now nearly impossible to get them out of the US, but here is a barrel maker within the European Community who might...
    14 replies | 555 view(s)
  • Ballistics in Scotland's Avatar
    05-16-2017, 06:43 AM
    In the .410 a full case of pearl barley should work well, and give a better pattern than rice. Watch out it doesn't get anywhere it will be a weed, though.
    52 replies | 1977 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