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Type: Posts; User: MilGunsmith

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  1. Replies
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    I think that Kunhausen has a book on it. I would...

    I think that Kunhausen has a book on it. I would make up some dummy rounds and coat them with a marker as you work on the feed rails. This will show where they hang up.
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    The TM Technologies website above has a very...

    The TM Technologies website above has a very helpful tech section on various methods. Aircraft Aluminum welding I believe is still required to be gas.
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    1,819

    Yes it can be made. Many have been done in the...

    Yes it can be made. Many have been done in the past. The .458 was designed to fit in a 30-06 length action. Parker Hale made many factory guns in that caliber and action. I have one that was done in...
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    950

    The weights are all that is legal for use when...

    The weights are all that is legal for use when checking triggers at a match.
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    Besides a belt routing drawing, write down all...

    Besides a belt routing drawing, write down all the belt numbers and locations. I order them online and keep a set on hand. A lot cheaper than trying to get a belt on a Saturday afternoon when your...
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    All the matches that I have been to use the...

    All the matches that I have been to use the weights with a hook. Brownell's sells a set with either a rifle hook or a pistol one. I usually set the trigger a hair heavyer than minimum just to ensure...
  7. I use the same setup. Well lubed, no marks.

    I use the same setup. Well lubed, no marks.
  8. I remember being told by a movie weapons prop...

    I remember being told by a movie weapons prop master, that the Star pistils were used because they could be made to fire blanks easier than a 1911.
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    I use an action truing fixture for barrels that...

    I use an action truing fixture for barrels that are too short to fit the spindle
  10. Replies
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    1,978

    Both MG Julian Hatcher "Hatchers Notebook" and P....

    Both MG Julian Hatcher "Hatchers Notebook" and P. O. Ackley's books have chapters on blowing up rifles.
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    For a muzzle brake to work effectively, it needs...

    For a muzzle brake to work effectively, it needs a high pressure at the muzzle to generate the force needed to fight recoil. Easily proven by shooting subsonic loads versus standard loads. Filming...
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    1,978

    Somewhere I have a picture of a H&K .45ACP SMG...

    Somewhere I have a picture of a H&K .45ACP SMG barrel that I sectioned. The Police Department was training on range with that and .40S&W Glocks. A .40S&W round got mixed with the .45ACP as they where...
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    According to USGI specs for ammo acceptance...

    According to USGI specs for ammo acceptance testing using a Universal Receiver: Firing Pin Protrusion is .074" to .082", Firing Pin Indent is .020" to .025" in a SAMMI spec copper cylinder. Firing...
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    1,143

    For what type of system? M2, M107, Universal...

    For what type of system? M2, M107, Universal Receiver? Each is different. I have a chart at work, can get it Monday.
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    5,067

    I build pressure test barrels every day. On a 20"...

    I build pressure test barrels every day. On a 20" barrel in 5.56mm the port pressure at 4.5" from the muzzle is in the 10000psi range,from 60000psi at chamber. I can't see pressure dropping to...
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    12,088

    I will try to get some pictures and a list over...

    I will try to get some pictures and a list over the weekend. I know in addition to the lathe, there is a cross feed slide attachment and a saw table. I think there is a double arm scroll saw...
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    2,019

    NJ considers everything a firearm. Need FID or...

    NJ considers everything a firearm. Need FID or pistol permit even for a BB gun or a muzzleloader.
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    I have found in my shop cleaning out a...

    I have found in my shop cleaning out a Goodell-Pratt lathe with many attachments. I am willing to part with it either complete or as parts. Please let me know what you want.
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    The plater needs to know about working on guns,...

    The plater needs to know about working on guns, as some surface dimensions are very critical to operating. I had a customer bring me a M1911A1 years ago that he had all the parts Black Chrome plated....
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    I use the AR Warner TPMC 32 NV HSS insert for...

    I use the AR Warner TPMC 32 NV HSS insert for threading. They are a positive rake.
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    I use a brass rifle case for picking out chips....

    I use a brass rifle case for picking out chips. Just squeeze the case mouth flat in a vise.
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    I have an HLV-BK with the speed control buttons...

    I have an HLV-BK with the speed control buttons on the head.
  23. If you make covers for them, don't make flat. I...

    If you make covers for them, don't make flat. I made pyramid shaped covers so that they don't have a flat surface to put things on.
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    As a young boy, I was given a micrometer and a...

    As a young boy, I was given a micrometer and a coffee can full of drill bits and told to sort them back into the proper bins. That helped me to learn to use a mic.
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    We have mechanical engineers with masters...

    We have mechanical engineers with masters degrees, here at work that don't have a clue on how to read anything but a digital caliper. They don't use a micrometer at all and assume that the numbers on...
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