'The Mauser was the first practical version of this type of rifle with a manually operated slide'
a bolt action
BOs: The Mauser was the first practical version of this type of rifle with a manually operated slide
The Mauser was the first practical version of this type of rifle with a manually operated slide
The Mauser was the first practical version of this type of rifle with a manually operated slide
"BO"s
a bolt action
"BO"s