Test Gun: S&W M442
Barrel length: 1 7/8 inches.
Ammunition: Speer .38 Spl 135gr Gold Dot +P (53925)
Test media: 10% Vyse Ballistics Gel
Distance: 10 feet.
Chronograph: Caldwell Ballistic Precision Chronograph G2.
Five shot velocity average: 848fps
BB Calibration: 4 inches.
https://general-cartridge.com/2022/06/15/speer-38-spl-135gr-gold-dot-p-in-vyse-ballistics-gel