- a gunlock on a firearm that fires by striking a percussion cap.
Origin of percussion lock
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for percussion lock
The last improvement which we shall notice was the percussion-lock.
He had his men furnished with the percussion-lock rifle, a very superior arm to the old smooth-bore.The Brothers' War
John Calvin Reed
At the encampments near the winter station we found a couple of percussion-lock guns, with caps, powder and lead.The Voyage of the Vega round Asia and Europe, Volume I and Volume II
- a gunlock in which the hammer strikes a percussion cap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012