27 January 2021

π Equals 3

GURPS is coarse.

Sometimes real world things don't show up because the granularity is too coarse.

A classic example came up today.

The S&W Model 59 is 2.3 lb. loaded with its stock 0.6 lb. 14-round magazine.

A 17-round magazine is also 0.6 lb.!

This is because you round to the nearest 1/10 lb. for most things.  Too heavy for "neg" weight, but lighter than 0.1 lb. will go to more decimal places.  .22LR is a classic example of this because if you make it negligible, the players will start carrying boxcar loads.

But do the magazines, in fact, weigh the same?

No, they do not.

The 14-round magazine is 8.8 oz.  The 17-round magazine is 10.1 oz.

Making that decimal pounds comes to 0.55 and 0.63125 lb. respectively.  They both round to 0.6.

The MecGar 17-round mags fit and feed just fine.  Happy Dance!

This has come up a few times before where the extended capacity magazine weighs the same as the original in GURPS terms.  A 15-round mag for a Browning High-Power is the same as a 13-round.

4 comments:

  1. I've generally found MecGar mags to be of very good quality. They are the OEM maker for a number of brands of firearms even.

    For some long defunct brands, MecGar mags are better than the OEM mags. Partially just because the springs aren't old, but also sometimes because they are just better made even than what the original mags were when they were new.


    ReplyDelete
    Replies
    1. MecGar is the OEM for Beretta and FN for certain based on markings.

      I've yet to have a problem with any MecGar magazine I've purchased, but that's been all of three guns so far.

      Delete
  2. Mayhaps for GURPS you need to round up only.

    ReplyDelete
    Replies
    1. Character points: Round up. Everything else: Round nearest.

      It's in the book!

      Delete

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