(Login WildmanMick) Crosman Forum Member from IP address 126.96.36.199
I received a copy of this manual from Drew Fritts...
The Powermaster 760 is a BB Repeater, Self-cocking, Pneu-
matic pump action Rifle with a BB reservoir capacity of over
180 BBs plus an integral magazine with 18 BB capacity. It is
also designed for shooting caliber .177 Crosman Super Pells
as a single shot rifle. Low Power and High Power shooting is
attainable with a unique, easy, fast short stroke, high com-
pression pump system. Two to three pumps is all that is
necessary for accurate shooting at velocities of standard BB
Rifles. NOTE: For target shooting, 3 pumps are recom-
mended. Do not attempt to shoot with less than 2 pumps.
When longer distance and greater power are necessary for
field shooting, the gun may be pumped up to 25 times.
NUMBER OF PUMPS 2 3 4 5 6 10 15 20 25
Velocity (FPS)* 300 385 415 460 500 560 600 640 660
*Feet per second
'Approximate average velocity
I have a copy of this manual in pdf and will send as an email attachment upon request.