XDm .40 s&w magazine Hard Blued
This is a Springfield Armory XDm tube that has "Hard Blue"(TiAlNi) applied to the surface. HB provides a hard durable surface that has a high wear resistance. Gram's spring and follower with a Canyon Creek extended aluminum base pad. This mag is made with the highest quality parts to produce a reliable 21 round mag. The tube has a witness hole for the 21st round when full. It will fit into the USPSA 140mm mag gauge. The slide will not lock back with this follower.
