What is the work and purpose of the sabot in the tank munitions… doesn't it add more weight and slow down the projectile? - Quora
Would it be possible to create a firearm capable of firing 2 different calibre bullets from the same barrel? Example 5.56 and a 7.62, could the smaller cartridge be cased similar to
![Soviet fin stabilised discarding sabot rife caliber ammo - General Ammunition Collector Discussion - International Ammunition Association Web Forum Soviet fin stabilised discarding sabot rife caliber ammo - General Ammunition Collector Discussion - International Ammunition Association Web Forum](http://img234.imageshack.us/img234/2803/10fs2hg8.jpg)