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

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  1. Has anyone gone nuts and tried sizing DOWN...

    Has anyone gone nuts and tried sizing DOWN commercial .276" (.270) to .268"??

    .276 to .268 is not a big change.

    More consistent concentricity than "bumping up" .264 to .268"??

    Mr. Corbin...
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    The Good Old Days

    18th Century "Home Brew" rifle docco.

    Gunsmith of Williamsburg (1969) - YouTube
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    .223 extractor? A "tweaked" extractor for the...

    .223 extractor?

    A "tweaked" extractor for the No. 2 .22RF trainers should also work; already heat-treated and blackened.

    Hope to get a "faux" No5 or similar style up and running this year.
    ...
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    The general idea

    This will give you the concept

    The sear in these semi-auto Uzis only acts on the linear striker, NOT the bolt, which is free to close after each shot. To "really" avoid "Rock 'n' Roll", carefully...
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    The method used in the semi-auto Uzi variants...

    The method used in the semi-auto Uzi variants uses two springs. and an "axial" / linear striker.

    Food for thought?
  6. Bren / Universal Carriers in WW2 German service.

    Some time ago this subject came up with a couple of vehicle buff friends.

    One subject was the use of thee vehicles as a "scaled-up" version of the cute little "Goliath" remote-controlled...
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    Those bayonets SHOULD be "close". They were...

    Those bayonets SHOULD be "close".

    They were made using copies of the original Lithgow drawings, for both the bayonet components and the gauge for the final form of the blade.

    The bit of history...
  8. L1 A1 muzzle thread is 9/16 x 24, RH. FN also...

    L1 A1 muzzle thread is 9/16 x 24, RH.

    FN also made a whole bunch of "export" models of the "Metric" FAL some of which actually looked like the L1A1. The one I had in the early 1980s had a...
  9. I seem to recall that as the same thread on a G3,...

    I seem to recall that as the same thread on a G3, as well
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    The saga continues: “Instructions for...

    The saga continues:

    “Instructions for Armourers, 1931” (Brit issue, War Office 30th September 1931), Part II,SMALL ARMS, Chapter 1, RIFLES, Section1- Stripping and Re-assembling, Section 14 (iii),...
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    Ideally, you do NOT need to wallop the screw very...

    Ideally, you do NOT need to wallop the screw very hard to "stake" it, however.....Murphy was an optimist.

    Drilling out the screw ends may be a peculiarly Australian thing, (something about bigger...
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    Yep, Cinders; that is why I haunt places like...

    Yep, Cinders; that is why I haunt places like this and quite few other; swapping information, scrounging electronic copies of user and service manuals for reference, paying back when I can, making...
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    OK. did a bit of ferreting: The thread on No1...

    OK. did a bit of ferreting:

    The thread on No1 screws for front, rear and piling swivels is:

    0.1875" x 33TPI, "Enfield" form.

    On the No4 series, post "Trials", this changed to 2BA and stayed...
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    I guess it also depends on your chosen...

    I guess it also depends on your chosen propellant..

    US powders like 3031 and 4895 are excellent for driving 150gn bullets from a .303. You can happily ignite those powders with ANY "standard"...
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    A MODEST, IF DISORGANIZED LIBRARY COME IN HANDY....

    A MODEST, IF DISORGANIZED LIBRARY COME IN HANDY. Old blokes' memories are subject to "fluctuations".

    Primer update / corrections.

    Per the “Textbook of Small Arms”, 1929 edition, the composition...
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    Remember that ALL of the Cordite-loaded .303 (at...

    Remember that ALL of the Cordite-loaded .303 (at least that I have encountered) uses the .250" COPPER cupped BERDAN-style primer.

    Collectors of vintage ammo in general will have noted the...
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    For those in the anorak seats, I found the...

    For those in the anorak seats, I found the included angle of the thread on a No1 Bolt head:
    79 degrees, 30 Minutes. It is depicted as a triangular thread with notes and tolerances for the form of...
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    If you look at the screws that go through the...

    If you look at the screws that go through the sling swivels, you SHOULD see that the threaded end has a small hole drilled in the end.. As per the original spec, during assembly, this screw is to be...
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    The overall length of the bolt head determines...

    The overall length of the bolt head determines striker protrusion. The "collar" on the striker is meant to strike the rear of the bolt head when dry -fired. This prevents the striker wedging into the...
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    And the wryly amusing part about the "fitting" of...

    And the wryly amusing part about the "fitting" of a No1 fore-end to the original "bedding"spec, is just an academic exercise these days.

    All that fiddling about inside the fore-end was to tune the...
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    RobO I suspect that the demand for...

    RobO

    I suspect that the demand for "original-configuration" rifles is driving a sizeable "de-sporterizing" movement. That there are at least three makers of No1 barrels on the planet is an...
  22. Mass-produced rifles firing even more...

    Mass-produced rifles firing even more mass-produced ammo?

    NO consideration given to reloading. The ONLY objective was to ensure the rounds chambered and went "bang", whilst sending a bullet...
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    A few years ago I got to fondle a complete...

    A few years ago I got to fondle a complete canaian J-5550 rifle and a spare action.

    Interesting concept.

    However the notion of transferring the substantial .303 recoil from a VERY lightweight...
  24. 121377 Imperial Metric A .473 12.01 B...

    121377

    Imperial Metric
    A .473 12.01
    B .472 11.99
    C 23 deg
    D .430 10.92
    E .338 8.58
    F 1.870 47.5
    G .413 10.49
  25. Furthermore, a LOT of Type 99 rifle chambers are...

    Furthermore, a LOT of Type 99 rifle chambers are "generous", to say the least. Apparently hand-loading was not big in the Imperial Japanese Army.

    There are occasional lot of Norma or Privi...
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