This adapter permits a use of M&P magazines in Ruger PC Carbine.
For left side (factory default) magazine release location only - not reversible.
Not for use with co-marketed magazines, such as Equalizer, Shield, Shield Plus, or 9EZ. Only the true M&P and M&P 2.0 magazines are supported.
The RB9N works in either original factory chassis or in Magpul Backpacker. It is advisable to use a flat bottom release button in the factory chassis. A basic button is included for your convenience.
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