Ben Zimmer on X: ""Lock and load" is dated by @OED to 1940, as an order on the shooting range. Developed fig. meaning "ready oneself for action/confrontation" https://t.co/8WVOi8SrKM" / X
Crane Hand Signals to Know for a Safe Construction Site | BigRentz
Firearms History, Technology & Development: Terminology: Lock and Load
Lock | Types, Mechanisms & Benefits | Britannica
DVIDS - News - Locked and loaded – is that backward?
CSB - Lock N Load Differences: Gen 1 • Gen 2 • Gen 3 (Impact and Instinct)