Test Gun: Sig P229, P365
Barrel length: 3.9, 3 inches.
Ammunition: Underwood 9MM 124gr JHP (ITEM 114)
Test media: 10% Vyse Ballistics Gel
Distance: 10 feet.
Chronograph: Caldwell Ballistic Precision Chronograph G2.
Velocity average: N/A
BB Calibration: 3.75 inches.
https://general-cartridge.com/2022/09/20/underwood-9mm-124gr-jhp-in-vyse-ballistics-gel/
