New-Bam,Gamo,TX, Problem Solver Seals
This Is what you get.
One each of the Tesla Seal and Apex small seal.
They run from .995" to .1030" plus or minus.
So you get a discount, . These companies vary tube sizes often and one of these will fit.
For Gamo's in the range, Bam guns like B20-26 and 40, TX 200, SR, Pro Sport and so on.