Crosman 44 Peacemaker
The Crosman site lists the .22 caliber 44 Peacemaker as as being produced from 1970 through 1981. It replaced the earlier model SA6 (made form 1959-1970). Thisis another gun that I picked up on an auction site. I did a quick tear-down and clean/lube and it shoots wonderfully.
Specs from the Crosman manual are:
Mechanism: Single action
Caliber: .22
Cylinder capacity: 6 pells
Weight: 32 oz.
Length: 10.375 inches
Barrel length: 6 inches
Sights: ramp front, frame groove rear
Barrel Rifling: Button rifled 10 lands
Power Source: One Crosman 12.5 gram CO2 Powerlet
Number of shots per Powerlet: Approximately 40

