RIM X 22LR +3 Extension

Add three rounds of capacity to your RIM X 10 round magazine with the RIM X 22LR +3 Extension.  Designed for increased strength and durability. Printed from  durable nylon 11 material on our state of the art HP Multi Jet Fusion machine. Easily installs in under a minute, simply remove baseplate and slide on extension. Extremely lightweight, lifetime warranty, and made in the USA! Reuses stock spring and follower.

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