This is a Tanfoglio /EAA Witness factory small frame magazine. This is the same as the EAA Witness magazine 101900. The magazines have the red follower and the Tanfoglio logo. It is sold by Armscor as a MAP1 magazine. Rock Island Armory FS/MS MAP1 16 RD 9mm or 22TCM 9R magazine 56055.
THIS MAGAZINE DOESN'T FIT THE ROCK ISLAND ARMORY 1911 A1 OR 1911 A2.
NOTE THESE ARE NOT 22TCM MAGAZINES THESE ARE 22TCM 9R OR 9MM MAGAZINES.
The magazines also fits the Tanfoglio TZ 75, EAA Witness Small frame, Tanfoglio TA90, (Not for the pre 88 series models, the pre B CZ 75 factory magazines should work in those.), EAA Witness PS, Springfield Armory P9, Jericho 941 (also imported as the Uzi Eagle, Baby Eagle and the Desert Eagle Pistol built with Tanfoglio supplied parts, (a Tanfoglio CZ 75B clone), Baby Desert Eagle III, ITM AT-84 and Armalite AR-24.