There are 2 versions of the Mark 2. 1966-1980 it had an adjustable power knob. 1981-1986 it had no adjustable power knob.
What is the condition of the Crosman? No estimate can be given without knowing the condition of the Crosman. Excellent (Like new) GOOD (Very good condition) Fair (Shows use) Poor (Well used may be nonworking)
First variant: It was made between 1966 and 1980 it had adjustable power knob. Second variant: had no adjustable power Mfg 1981-1986.
The Mark II BB/177 pellgun was made between 1981 - 1986
Henrietta Crosman was born on September 2, 1861, in Wheeling, West Virginia, USA.
( See the link below.) They have parts and possibly repair service
What do you mean by "atrigger". If you are looking for the Owners Manual for the Crosman Mark 1 Pellet gun, then see the link below.
No
first variant single shot mfg 1966-1980. second variant (without adjustable power)mfg 1981-1986
this rifle was made by Crosman for Sears under the JC Higgins brand name. It's really a Crosman model 166. Originally it was the HAHN repeater but Crosman bought out Hahn and continued the model as a model 166 for Crosman 1958-1971. See the link below for the Owners Manual.
Go to ( See the link Below) and find your parts and owners manual for your gun or rifle. Crosman keeps a web page for older airguns.
Crosman offers a free service to locate shops that repair older Crosman airguns. See the link below. Or locate a repair shop with #2 link below.