You’ve probably put serious thought and research into what self-defense ammo to carry in your pistols. Can you count on that same ammo being the ideal choice for a pistol caliber carbine? To find out, we tested six popular 9mm jacketed hollow points, looking at the effect a longer barrel has on their velocity as well as their performance in ballistic gelatin. More about handgun ballistics from some industry experts: https://youtu.be/T6kUvi72s0Y Our handgun ballistic gel tests are all posted over at Lucky Gunner Labs: https://www.luckygunner.com/labs/self… Support our channel. Buy ammo from Lucky Gunner!