Rifles: What gun has the greatest kick and what is the velocity backwards assuming you're not holding it well? - Quora
The Hardest-Kicking Rounds of All Time
HARDEST KICKING GBBR EVER! - YouTube
The Hardest-Kicking Rounds of All Time
Which gun has the most recoil? - Quora
The Hardest-Kicking Rounds of All Time
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The Recoil From the Largest-Caliber Rifle in the World is Nearly 10 Times Stronger Than .30-06
The Hardest-Kicking Rounds of All Time
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How dangerous or painful is the recoil of a shotgun? Which shotgun had the strongest recoil and what features of that shotgun make it this way? - Quora
What is your hardest kicking rifle? - Page 3 - The Liberal Gun Club Forum