I suggest you contact Daisy airgun company directly and request an owners manual (See the Daisy customer service link below)
There are several varations of the model 99. Your best answer should come from Daisy. Daisy offers a free service to answer questions about old Daisy airguns see the link below
There were 3 different model 99's the 99 Target special -1959-1979 99 Champion 1967 and 99 lucky Mcdaniels 1960. I suggest you contact Daisy for more information. See the link below.
There are 4 variations of the Daisy model 99 BB rifle, not gun. Your best bet is to contact Daisy directly. They offer a free service to evaluate Daisy antiques. See the link below.
Not meant to be disassembled
I can not find any information of a Daisy model 653. However Daisy did make a model 693 BB pistol. Is this the pistol you are referring to?
It all depends on which Daisy model 99 you are asking about. 99 Target special: Variant 1=1959, Variant 2=1960-1979 99 Champion: mfg 1967 99 Lucky McDonalds: mfg 1960
There were 3 different model 99's the 99 Target special -1959-1979 99 Champion 1967 and 99 lucky Mcdaniels 1960
The Model 99 was made between 1959 and 1979 in Four different Variations.
There are 4 different variations of the Daisy Model 99, starting in 1959 to 1979. Daisy offers a free service to tell you more about your old BB gun. See the link below
It was only made in 1967.....
made in 1967