Tag: ballistics

Modern Personal Defense Weapon Calibers 002: The 4.6x30mm HK

If the 5.7x28mm FN is the first successful modern PDW round, then the 4.6x30mm HK is the second, and its biggest rival. German firm Heckler and developed the microcaliber 4.6mm in the 1990s as a response to a NATO solicitation for a Personal Defense Weapon, to which [Read More…]

Modern Personal Defense Weapon Calibers 001: Introduction, and the 5.7x28mm FN

At this point, we’ve talked about 25 different intermediate and full power calibers as part of a series comparing different types of modern small arms ammunition. However, one subject not yet thoroughly covered is rounds for personal defense weapons (PDWs). These [Read More…]

Future Firearms Ammunition Technology 008: Plastic-Cased, Telescoped Ammunition – Lightening the Load, Pt. 4

Previously, we discussed different concepts for lightening the soldier’s load, including aluminum-, composite-cased and caseless ammunition. Today we’re going to look at the weight-reducing concept that many believe is the horse to bet on when it comes to [Read More…]

Future Firearms Ammunition Technology 007: Squeezebore Ammunition – Celeritas Et Accuratio

Previously, we discussed the benefits of and challenges facing saboted projectile ammunition, including the advantages of decoupling the diameters of the bore and the projectile, and the problems of accuracy during sabot discarding. One concept that could possibly [Read More…]

Future Firearms Ammunition Technology 006: Multiplex Projectile Ammunition – Two, Three, Four for the Price of One?

After World War II, US Army analysts determined that the effectiveness of the infantryman was not as closely related to their marksmanship discipline as had been previously thought. It seemed that instead, the random environmental circumstances and effects, plus the [Read More…]

Future Firearms Ammunition Technology 003: Sabots – Performance-Enhancing Shoes for Your Bullets

One of the problems of small arms ammunition is that of swept volume. That is, the most ballistically efficient projectiles are the longest and thinnest ones, which cut through the air more easily than squatter, fatter projectiles. Yet, the best projectiles from a [Read More…]

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

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 [Read More…]

Modern Historical Intermediate Calibers 020: The 7.62x45mm Czech

After World War II, the nations of the world retired to lick their wounds and rebuild, but their arms engineers also began thinking about the next war. The war have brought forth a storm of new technologies and inventions, and one of the most significant in the field of [Read More…]

Modern Intermediate Full Power Calibers 019: The Russian 6x49mm Unified

What happens when you take the two concepts of a traditional, full-power rifle and machine gun round, and a small-caliber, high-velocity round, and smash them together? You get one of the most extreme military small arms calibers ever developed, and one of the last [Read More…]