Jan 20, 2024 · 13mm Gyrojet bullet with 4 LODs. The 4 ports act as rockets that propell the bullet forward during and after it leaves the barrel.
Jun 16, 2019 · I would assume that the german 13mm (13X64B) did more damage (to aircraft), as it used an exploding bullet, then the faster traveling ...
Jul 3, 2020 · For example, who decided 9mm versus 7mm or 13mm, or 7.62 as opposed to some as random as 8.43? All related (34).