Originally Posted by Drew Hause
My goodness
https://www.remington.com/shotshell/sportsman-hi-speed-steel/
Remington Sportsman High Speed Steel
1 1/8 oz. at 1550 fps and 1300 fps
1 oz 7s are 1365 fps
The website did not list psi

Winchester Xpert Steel 1 oz. 7s is listed at 1400 fps

Actual testing in 2011 of Remington 3" HyperSonic Steel 1 1/4 oz. was measured by Tom Armbrust at >1,800 fps with a chamber pressure of 13,850 psi!!
https://www.wildfowlmag.com/editori...gton_hypersonic_steel_shot_042811/280327

Drew,
The Remmy shells have “1200 bar” printed on the side of the hull.