Let's look at 7.62x51 vs. 7.62x39 with an analysis of ballistic performance, price to shoot and other factors as well as a quick history lesson.
Thor technically speedblitzed Hulk without Mjolnir when he was attacking Natasha in the first Avengers movie. Why do people still think Thor is slow in the MCU? - Quora
Ammo To Go : Ammunition Bulk and Cheap Ammo for Sale
7.62x51 vs. 7.62x39 - The Lodge at AmmoToGo.com
Has the Hulk ever used clever tactics to defeat someone? As opposed to simply using brute strength? - Quora
List of Top 10 Highest Lakes of India - IndiaVisitOnline - Inspiring new ways to travel India
Wouldn't it make more sense for AA guns to fire shotgun shells instead of bullets? - Quora
Is there a practical upper limit on Hulk's strength? After all, what's going to make him angrier than being betrayed by his friends and losing his whole family? - Quora
List of Top 10 Highest Lakes of India - IndiaVisitOnline - Inspiring new ways to travel India
Wouldn't it make more sense for AA guns to fire shotgun shells instead of bullets? - Quora
What kind of caliber bullet do most snipers use? - Quora
What your rifle caliber says about you - Open Carry - Full30
Ammo To Go : Ammunition Bulk and Cheap Ammo for Sale
Wouldn't it make more sense for AA guns to fire shotgun shells instead of bullets? - Quora
Thor technically speedblitzed Hulk without Mjolnir when he was attacking Natasha in the first Avengers movie. Why do people still think Thor is slow in the MCU? - Quora