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  1. Replies
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    Large quantities of ammo, shelf life, etc.

    1. Ammo in military and paramilitary service follows the "rule of fives'...Year 1-5, Combat ready ammo; year 6-10 -Training, and Second line use only; year 11-15, Training,& Emergency use only; after...
  2. Replies
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    Speaking of Pyramids, we can just skip across to...

    Speaking of Pyramids, we can just skip across to Mesopotamia ( Gk. for "between the rivers") to the origin of the "Base 12" system ( actually, "Base 60" used by the Babylonians, and this has come...
  3. Waste of time and materials. Keep the...

    Waste of time and materials.

    Keep the "3/4drawer" cabinets for Magazines, ( the steel ones) or Pistols, or Gun parts.

    I have several types of Filing cabinets from the 50s/60s era, some...
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    12,705

    Proof Loads and Cureent practice Update:

    Nowadays ( and for many years,) the major Proof Houses use what is called the "Service Proof" of firearms...the Action and Barrels are "Viewed" and several cartridges at "service pressure" ( average...
  5. Replies
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    12,705

    Proof Cartridges ETC.

    Cartridges loaded to "Prove" Fiurearms are Specially loaded and calibrated using Pressure testing Devices ( Once Copper Crusher, now Piezo-electric pressure transducers --Direct or Strain-gauge), The...
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    Usae of old Rail to make anvils

    If one needs to make an anvil, then the best Railroad rail to use is a worn, (ie flat) 120 or 150 lb type ( ie, 150 Pounds per Yard).

    The proper shape can be made by cutting out the ends of the...
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    5,065

    German (metric) threads

    German firearms of WW II had a 14x1 Metric RH thread, except for the MP38 &40, which had a 16x1 Metric RH.

    Postwar, H&K ( as Noted) uses 15x1 metric (Very NON-standard).

    The Soviets, on their...
  8. Replies
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    Machine Tool benches.

    The Only machine tool I ever Bolted to a Wooden "Desk-bench" was a Emco Unimat SL ( miniature Lathe). All my other machine tools are either "Free standing" ( big enough to incorporate their own...
  9. Replies
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    6,413

    Machine Tool benches.

    The Only machine tool I ever Bolted to a Wooden "Desk-bench" was a Emco Unimat SL ( miniature Lathe). All my other machine tools are either "Free standing" ( big enough to incorporate their own...
  10. Replies
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    7,257

    Opening a Bolt Face

    Always remove the extractor before attempting to open a Bolt face.

    The extractor claw is (a) hardened much more than the bolt face and (b) protrudes into the "bolt face" much more to grab the...
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    Locomotive for Persia (Iran)

    The Final minutes with the Loco Testing in Steam, was of a Class 52 Iranian State Railways Locomotive ( Assyrian Lion with Sword, Arabo-Persian Script on Cab sides.)
    4'8-1/2" Gauge (Standard)

    The...
  12. Replies
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    3,259

    Threading for Cutts Comp.

    Cutting the outside threads of a TSMG Barrel for Cutts Compensator is Definitely a Lathe Job. The Thread size is NOT available as a Thread die off the shelf, and even if it was, it would require a...
  13. Replies
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    3,259

    Barrel Threads for TSMG BFA

    Best way to BF a TSMG .45 Barrel is to thread the Barrel, NOT the Compensator. ( Compenstaor is easy to take off...drift out locking pin, and unscrew)...lots easier than trying to take barrel out of...
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    Jefferson....

    "The Tree of Liberty should be watered with the Blood of Patriots every 20 years or so...."

    Doc AV
    Constitutional Scholar, Down Under.
  15. Thread: New Guy

    by DocAV
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    4,098

    How to get started in Gunsmithing...

    First learn "How to File"...from that, all other trade abilities will follow.
    The Community trade courses to familiarize yourself with the use of a lathe, Mill, Drills, etc at the very basic level,...
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    Correction....

    " The Dies are 7/8x9 That everyone is using these days..."

    You mean 7/8x14 (UNF) which is the Reloading Industry Standard....

    Nice refurbishment job.

    Also, My source for Brass Tubing ( and...
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    FFLs and other permits

    Dear Mr. Tuck,
    Although I write from a Foreigner's perspective, I have seen the requirements in Fed.Regs etc, and also seen the Requirements not only for "Normal" Gunsmithing" but also such nice...
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    Carcano to 7,62x39..rescue from Down Under....

    Firstly, what is the collector value of your Carcano? Mostly a lot more than a Bubba-ed sporter. Unless you can revert to the pre-conversion status when you want to sell it. ( ie, keep all the parts,...
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    Mosin-Nagant Rifles

    For Good, reliable information about (Russian/Soviet) Mosin-Nagant Rifles, go to gunboards.com total online service for the gun owner and collector for help. They started off in the 1990s as the...
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    made in USA...for an Aussie

    You guys think you are in a bad way...think about us Aussies...most of what is sold in Australia is "Made in China"

    WE (in our industry) have to buy in the US, because all our manufacturing has...
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    Sheet Inch Vs metric

    3/16th Sheet (.1875) is 4,76mm

    .177 is 4,5mm

    4,5mm is a standard metric sheet size.

    Problem solved. (Unless one is in the USA....)

    regards, Doc AV
  22. Replies
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    Making .450MH from CBC 24ga. brass shotshells. ...

    Making .450MH from CBC 24ga. brass shotshells.

    THis has been well covered on other Boards (GB, etc.)
    The secret, as mentioned above, is Multiple-die step downs and intermediate annealing.
    ...
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    .45 vs SG

    Yes, the racking of a Pump shotgun ( for those countries which have no restrictions) is definitely a signal to "Cease and desist" to any criminal. Unless they are already doped out on some chemical....
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    Metric Threads etc....and BS

    Firstly, the Metric 60 degree thread form was adopted in 1792 ( YES< Seventeen Hundred and Ninety Two!!!) by the Committee of Public Safety in Paris, for the unified manufacture of Firearms for...
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    M90/91 Mauser rebarrels...

    Whilst the Turks did convert some of their M1890 Mausers to 7,9mm in 1929, they did not last very long...hardly any have come to either the US or Aus. in the Milsurp Turks of the 80s and 90s.
    The...
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