M88 - Threads 12V, TPI - Dia .986 - Lenght of threads .720
M98SR - Threads 12V, TPI - Dia .980 - Lenght of threads .625
So I believe it could be made to work. The SR specs are for a 33/40. The only problem is the barrel "shoulder" on the SR is .980 and on the 88 it's .900. FWIW I hope that helps you. John Can.