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MagGuts M&P Shield 9mm Magazine ExtensionASM005
MagGuts™ M&P Shield 9mm Magazine Extension
-Adds 1 round when used with OEM magazine internals.
-Adds only 1/4″ to the magazine length. Just enough to get a secure pinky grip without adding any significant size.
-Molded design matches Shield frame.
-Very easy to install.