12 July 2017

Fe V Al

The H&K G3 and its derivatives have two milspec magazines to choose from.

Aluminum and Steel.

Empty the aluminum mag is 5.1 oz., the steel is 9.9 oz.

Loaded the aluminum magazine is 1.4 lb., the steel 1.7 lb.

Conventional wisdom says that the aluminum is less resilient than steel, but there's scant examples of actual failures being shown.  It's an "everyone says" thing.

The spring wire on the aluminum magazine is 0.064" in diameter, the steel is the same.

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