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Weapons and Gear => Shotguns => Topic started by: RMc on February 25, 2020, 12:15:53 am

Title: Is it in "Spec" if...
Post by: RMc on February 25, 2020, 12:15:53 am
...that one ounce shotshell is loaded over 1/16th of an ounce light? 

...that 9 pellet 00B round is shy a pellet?


                                                :shrug
Title: Re: Is it in "Spec" if...
Post by: coelacanth on February 25, 2020, 01:08:01 am
I'd say no.   :coffee
Title: Re: Is it in "Spec" if...
Post by: RMc on February 25, 2020, 07:38:20 am
According to the Sporting Arms and Manufacturers Institute these are among the voluntary "Standard Industry Tolerances" for shotshells. 

See the * marked standards on the following list for the "In Spec" tolerances mentioned in the first post.

https://saami.org/wp-content/uploads/2019/06/ANSI-SAAMI-Z299.2-Shotshell-2015-R2019-Approved-2019-04-23.pdf

Page 46:

I. Shot Weight per Shell
a. Game Loads +4% -7% *
b. Target Loads +3% -5%

II. Pellet Count per Ounce
a. Nominal ±10%

III. Buck Shot Pellet Count per Shell
a. 0 and 00 Nominal -1 pellet      *
b. 1 and smaller Nominal -2 pellets

IV. Diameter
a. Game Shot Nominal ±0.010” (0.25 mm)
b. Target Shot Nominal ±0.005” (0.13 mm)
c. Buck Shot Nominal ±0.015” (0.38 mm)
Title: Re: Is it in "Spec" if...
Post by: coelacanth on February 25, 2020, 11:10:51 pm
The fact that the ammunition industry is as good as it is, voluntarily, is a testament to the dedication of the professionals who run it and the state of modern manufacturing technology but I understand manufacturing tolerances which is why I reload as much as possible.