Welcome to M1911.ORG
The M1911 Pistols Organization Forums Site


Dear members,
Please make sure the email address we have for you, is correct and valid.


Sponsors Panel
If you intend to buy something from Brownells, Cabela's, TandemKros or Tekmat, please use their banners in our sites. Whatever you buy from them, gives us a small commission, which helps us keep these sites alive. You still pay the normal price, our commission comes from their profit, so you have nothing to lose, while we have something to gain. Also, don't forget to visit our other sponsors sites, click-throughs are appreciated by our advertisers. Your help is appreciated.
If you want to become a sponsor and see your banner in the above panel, click here to contact us.

Page 6 of 6 FirstFirst ... 23456
Results 51 to 54 of 54

Thread: reloading dies for dummy rounds

  1. #51
    Join Date
    29th August 2017
    Posts
    181
    Posts liked by others
    13
    Quote Originally Posted by niemi24s View Post
    Thanks for the ID measurement. It agrees well with the average of my measurements of 0.4714" for six dies.

    You said your target case mouth OD for these dummies is 0.471". But ponder this. If the purpose of these dummies is to check how well a 1911 feeds, it'll feed a minimum OD round OK but may have problems feeding a round with a maximum SAAMI OD. This means the toughest feeding test will be with a round having a 0.473" OD at the case mouth. But such an OD is almost impossible to obtain with a jacketed bullet because most jacketed 45 Auto bullets are in the 0.450 to 0.4515 inch range. You could, however, pretty well achieve this by changing your target case mouth OD to 0.473" and leaving a little bit of flare.

    But that's just an idea I had.
    That's an interesting idea. Could even make a steel flaring insert to fit inside the die body.

    I'm probably ok with the factory ammo I'm using now, but I could very well need a larger dummy round for testing my "target" gun, which will be using something different.

    -

  2. #52
    Join Date
    2nd June 2004
    Location
    Terra
    Posts
    20,969
    Posts liked by others
    249
    Quote Originally Posted by megafiddle View Post
    I never considered buying one because I had no intention of reloading.

    However, if there were other uses for it, I could be convinced. The bench mounted model looks even cheaper, and would be my preference.

    -
    Yes, the basic, open-front "Reloader" press is two bucks cheaper than the hand press. That would be my preference, as well, but I thought if you're not really interested in taking up reloading, the hand press is easier to just stick in a box and put on a shelf when not being used.
    Hawkmoon
    On a good day, can hit the broad side of a barn ... from the inside

  3. #53
    Join Date
    2nd December 2004
    Posts
    482
    Posts liked by others
    5
    Dial calipers are notoriously inaccurate for measuring hole sizes.
    Especially when you are looking for 1/1,000 in. of accuracy.
    AN adjustable hole gauge and either a caliper or micrometer are what is needed.

  4. #54
    Join Date
    29th August 2017
    Posts
    181
    Posts liked by others
    13
    Quote Originally Posted by brickeyee View Post
    Dial calipers are notoriously inaccurate for measuring hole sizes.
    Especially when you are looking for 1/1,000 in. of accuracy.
    AN adjustable hole gauge and either a caliper or micrometer are what is needed.
    If you are referring to the error introduced by the width of the jaw edge, the error is about .001" in this case.

    This is based on a hole diameter of .471" and a jaw edge width of .016".

    Also, an accuracy error of +/- .001" is typical for dial calipers, so that always has to be factored in.

    For comparative measurements, it's often possible to be accurate to the nearest .0005". That's about the limit of what one can read on the dial.

    (edited - math error)

    -
    Last edited by megafiddle; 13th April 2018 at 20:07.


Page 6 of 6 FirstFirst ... 23456

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  



Sponsors Panel
If you intend to buy something from Brownells, please use their banners above. Whatever you buy from them, gives us a small commission, which helps us keep these sites alive. You still pay the normal price, our commission comes from their profit, so you have nothing to lose, while we have something to gain. Your help is appreciated.
If you want to become a sponsor and see your banner in the above panel, click here to contact us.

Non-gun-related supporters.
Thank you for visiting our supporters.