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Type: Posts; User: Bruce_in_Oz; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)

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  1. Replies
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    Last time I looked at PPU .303 factory "ball"...

    Last time I looked at PPU .303 factory "ball" loads, they were using a 174gn BOAT-TAIL. This may have something to do with the results downrange. Because of the minimal contact with the "generous"...
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    And that "large-primer Portuguese stuff is a bit...

    And that "large-primer Portuguese stuff is a bit different from the Brit issue. The primer cup of all that FNM pre-WEW2 .303 ball I encountered was brass; thus NOT mercuric primed.

    However, the...
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    256

    Something built up/ refurbished by a club...

    Something built up/ refurbished by a club armourer, when there were such things?
  4. Norma used to sell a 220gn .308" RNSP bullet;...

    Norma used to sell a 220gn .308" RNSP bullet; known for its impressive performance, even on "Texas heart-shots". They seem to currently only list a 200gn job, though.

    See Sierra for other...
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    I also remember the actual practice tubes to use...

    I also remember the actual practice tubes to use with these dummy bombs. They had a port cut into the side of the tube near the base and an angled plate welded in as a deflector.

    This meant that...
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    The Dillon 600 is what I settled on after...

    The Dillon 600 is what I settled on after flogging out both a CH and RCBS tools. The centre spindle that rides inside the case and supports the web tents to bend if you run a case that has an...
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    Much of what people refer to as "Carbon" is...

    Much of what people refer to as "Carbon" is oxidized detritus from the bullet jacket and some from the actual case. Smokeless propellants leave very little residue because the Nitro-Cellulose (and...
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    1,269

    I recall the "blacking" technique was called...

    I recall the "blacking" technique was called "blazing off" and involved heating the component (but NOT to a sparkling red heat), briefly dunking it in "oil" (probably whale oil in the "good-old...
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    KTW? The "famous" "shock, horror' Kop Killer...

    KTW?

    The "famous" "shock, horror' Kop Killer round?
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    The problem with the one-piece stock on the J5550...

    The problem with the one-piece stock on the J5550 was that there was precious little wood at the recoil transfer point at the back of the action. They hacked away a lot of the metal from the...
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    I suspect that the reason for the presence of...

    I suspect that the reason for the presence of "Imperial" threads, especially thread pitches, in Mausers, Arisakas, Mosin Nagants, (and Lugers) was that almost all of the machinery used to make such...
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    By the way, the P-14 dial-sight retaining screw...

    By the way, the P-14 dial-sight retaining screw has EXACTLY the same thread. Not too sure about overall length; someone out there will know to the last micron.

    Cheers!
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    The thread on that screw is: .1656dia x 37tpi. ...

    The thread on that screw is: .1656dia x 37tpi.

    A classic "Enfield Special".

    Not something they stock at the corner hardware shop; ditto the taps and dies.

    And think of all the fun you can...
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    My reason for suggesting the "big iron", is that...

    My reason for suggesting the "big iron", is that part of the trick is to get as much heat into the metal bits before it starts to "migrate" outwards. And I have one in "the Dungeon'. Is that the...
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    523

    Butts were not something changed "in the wild". ...

    Butts were not something changed "in the wild".

    As you noticed, the ferrule (socket) is tapered, as is the wooden bit that plugs into it. At the factory and in bigger workshops, they had a special...
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    Has anyone ever seen the original factory...

    Has anyone ever seen the original factory "instructions / specifications for the J5550?

    It seems that almost none of them are to a precisely set pattern, as if the project were a serial design...
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    That would be a serious "plumbing-grade "...

    That would be a serious "plumbing-grade " soldering iron; not something you would use on printed-circuit boards.
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    Here in Oz we saw a bunch of Ishapore shotguns at...

    Here in Oz we saw a bunch of Ishapore shotguns at one stage. Originally chambered for a straight-sided cartridge derived from the .303 case, most were unceremoniously reamed out to take commercial...
  19. Feeding from the magazine puts less strain on the...

    Feeding from the magazine puts less strain on the dinky extractor spring and the round is generally fed in a single smooth motion rather than a fair bit of extra effort just at the point you are also...
  20. The "soldiers of the Queen" were never really...

    The "soldiers of the Queen" were never really into reloading, especially with the old Mercuric Berdan-primed stuff. Some of us civilian shooters here in the outer colonies did so out of necessity...
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    The "muzzle effect" from issue ball in the old 8...

    The "muzzle effect" from issue ball in the old 8 x 56R M95 Steyr carbines is pretty wild.

    Recoil is a bit of a wake-up call, as well.
  22. Very likely not "certified" reliable enough for...

    Very likely not "certified" reliable enough for aerial gunnery.

    My recollection is that anything tagged for airborne MGs was the best of the best. Clearing stoppages in wing-mounted guns is a...
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    David. I am familiar with the differences in...

    David.

    I am familiar with the differences in form. BA was derived from those Metric Thury watchmakers threads, the form and included angle of which are unknown to me, but can probably be found on...
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    Yep! That Zero BA diameter detail seems to have...

    Yep! That Zero BA diameter detail seems to have missed "publication" in my first post.

    The other very British" thing about BA threads is the size relationship:

    To get the dimensions of a size...
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    Just about every part is different; sometimes...

    Just about every part is different; sometimes subtly, often not.

    Manufacturer's marks for starters. Then the obvious stuff like furniture, muzzle devices, gad blocks, sights, dust covers, gas...
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