Future Firearms Ammunition Technology 002: Polymer-Cased Composite Ammunition – Lightening the Load, Pt. 2

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Posted August 29, 2016 6:00 am by Comments

By Nathaniel F

So far, the polymer composite case has only found purchase with low-power specialty ammunition, such as the plastic blank and fired 7.62mm UTM marking round, both on the left. Several commercial composite cased rounds have been tried, including the grey .223 Remington PCA ammunition. In the 1970s, Frankford Arsenal and AAI experimented with composite cased ammunition, represented by the white cased round in the middle. On the left is a standard Korean-made M855 round.

In the last installment, we talked about the growing need throughout the 20th Century to reduce the weight of the cartridge case, to lighten the burden of the soldier. Experiments in aluminum have thus far proven unsuccessful, but another material is even more promising: Polymer. Plastics and polymers burst onto the scene in the post-war […]

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