Page 161 - FAT 105 4.17 MOODLE

Figure 12: Various double stack magazine designs.

by both manual and semi-automatic pistols and are split near the middle of the body and formed
rifles with both fixed and detachable magazines. into two double stack columns that sit side-by-
The double stack design is primarily used with side. The casket magazine features capacities
rimless and rebated rim cartridges to avoid rim from 60 to 100+ rounds in a package that may
lock. By stacking the cartridges in two staggered only be slightly wider and longer than a double
columns, you can increase the capacity of the
magazine by up to 70+ percent, going from 10
to 17+ rounds in a package that is slightly larger
than a single stack magazine. The major advan-
tage to the double stack design is its increased
capacity. The major disadvantages of the double
stack design are its width, which makes the grip
of the handgun wider, and the fact that the sec-
ond staggered column adds another degree of
complexity to the magazine, making it less reli-
able than the single stack design.
The quadruple stack, or casket, magazine is a
very unique design. The casket design is basical-
ly three double cartridge stacks inside of a single
box-like body. The top of the magazine that fits
inside the magazine well of the firearm is shaped
like a traditional double stack box magazine, but
the bottom (half) of the magazine flares out-
ward and is nearly double the width. The two
columns from the upper portion of the magazine
Figure 13: A casket-style magazine.

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