Replacment Magazine for the EDC X9 and eXperior Double Stack 9mm; Designed to meet the rigors of extreme duty and competition use; Hardened carbon steel tubes with black anti friction coating; Enhanced spring and anti-tilt follower for superior feeding; Witness holes and red polymer follower for visual round count; Removable polymer base pad for easy cleaning, mag numbering and fast reloads under stress; Made in Italy by Mec-Gar-the leaders in double column magazine design