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.
Ammo To Go : Ammunition Bulk and Cheap Ammo for Sale
Why do people still think speed blitzing the Hulk is the most effective way to defeat him when he has clearly fought friend enemies? - Quora
What your rifle caliber says about you - Open Carry - Full30
What is the coolest way the Hulk has defeated an enemy? - Quora
Who're Hulk's 'personal' enemies? - Quora
Military Ammo Designations - A Shooter's Guide
30-06 Ammo - 20 Rounds of 175 Grain Polymer Tipped by Barnes
223 Remington Ammunition for Sale. Black Hills Ammunition 75 Grain Hollow Point - 50 Rounds
5.7x28 Ammo for Sale - FN 5.7 Rounds In-Stock Today
Ammo To Go : Ammunition Bulk and Cheap Ammo for Sale
Has the Hulk ever used clever tactics to defeat someone? As opposed to simply using brute strength? - Quora
Ammo To Go : Ammunition Bulk and Cheap Ammo for Sale
Why do people still think speed blitzing the Hulk is the most effective way to defeat him when he has clearly fought friend enemies? - Quora
Caliber Comparisons - Page 7 of 7 - Buyers and Ballistics Guides for Shooters