Let’s play the “What is it?” game!

[cmshoot]

 

[EMC45]

Part of me says Browning.......

 

[EMC45]

Maybe Browning design for Winchester.

 

[cmshoot]

Not associated with either.

 

[EMC45]

dang

 

[cmshoot]

The rifle in the pics above is totally stock. That’s the way they came off the assembly line.

 

[GAgunLAWbooklet]

Standard Arms model G.

A semi auto rifle where the "pump" handle or fore-end serves as a charging handle primarily, but could be used to manually cycle it as well.



This gun was a failure commercially and the company switched production to a "model M" which was fully manual strictly slide action / pump action.

Standard Arms Model G and M - Revivaler

Amongst the firearm inventions that failed one of the more obscure is the Standard Arms Model G gas operated self-loading rifle and its sibling the Model M which did away with the gas operation completely and...

revivaler.com

 

[cmshoot]

Yep, also it was the first American-made, gas-operated sporting rifle.

 

[GAgunLAWbooklet]

 

[cmshoot]

Soviet SPP-1 underwater pistol.