1 John Moses Browning was the prolific gun designer who invented the Winchester rifle (30/30), the pump shotgun, and the Colt 45 automatic. 2  He is best known for his automatic pistols and was the first one to invent the slide, which encloses the barrel of a pistol and the firing mechanism. The breech-loading rifle was invented by Captain Patrick Ferguson of Pitfours, Scotland. 2  John Moses Browning-Winchester Rifle. 3  John Moses Browning was the prolific gun designer who invented the Winchester rifle (30/30), the pump shotgun, and the Colt 45 automatic.
Ramsey Middle School is a Public school that serves grades 6-8.
In some states and counties, middle school is 6th,7th, and 8th grade. In other states or specific counties, middle school is 7th and 8th grade. It can also include 9th grade aâ¦nd 5th grade, like mine did.