Tag: sabot

The long-necked Colt 7.62mm round on the left combines the principles of triplex and squeezebore rounds (together called "salvo-squeezebore"). When fired from a modified M60 with a tapered muzzle, it would spit out three 55gr .224" caliber projectiles per shot. In the center is the duplex (not squeezebore) M198 7.62mm round, and on the right is the M80A1 EPR round, for comparison.

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…]

Sabot rounds, left to right: XM645 SPIW flechette with compressed disintegrating puller sabot, XM645 SPIW flechette with glass polyester disintegrating puller sabot, 5.77/4.32 Frankford with polymer cup pusher sabot, 5.56x45mm AAI ACR flechette with petal-type puller sabot. Far right is a pulled SPIW sabot and flechette.

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…]