R retired2006 Member Joined Jan 30, 2007 Messages 674 Reaction score 185 City & State/Province SE Kansas Feb 15, 2022 #1 Can I use 3913 8rd mags in a CS9 as a backup ?
S squidsix Member Joined Jan 21, 2006 Messages 3,600 Reaction score 5,843 City & State/Province East Missouri Feb 15, 2022 #2 Yup. I carry a 3904 9-round mag as a backup for the 7-round mag in my pistol. I have found all variety of 3900 mag to work just fine in the guns that will fit them.
Yup. I carry a 3904 9-round mag as a backup for the 7-round mag in my pistol. I have found all variety of 3900 mag to work just fine in the guns that will fit them.
