General
snap in
What does snap in mean?
To conduct sighting and aiming exercises with an unloaded weapon, drilling the fundamentals of marksmanship before live fire.
"We snapped in for an hour before hitting the range."
Origin
US Marine Corps slang.
Frequently asked questions
What does 'snap in' mean?
To practice aiming and sighting a weapon without live ammunition, drilling marksmanship fundamentals before firing for real.
Where is 'snap in' used?
It's Marine Corps slang, common in marksmanship training on the range.
Why do troops snap in?
To build the muscle memory of a steady sight picture and trigger control before wasting live rounds.
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