3 out of 3 people found the following review helpful
If you have a CX4, that takes px4 mags, you absolutely need these mag extensions. The three extra rounds don't do much for me but, do to the very deep recess in the mag well it can be difficult to put in a full 14 rd. mag on closed chamber. This extension makes the mags long enough to protrude out of the grip by about 1/4" and easy to "slap" in.
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