CZ 455/457 +3 Extension
Add three rounds of capacity to your CZ 455/457 magazine with this +3 Extension. Redesigned shape for increased strength and durability. Printed from our durable nylon materials. Easily installs in under a minute, simply remove baseplate and slide on extension. Proudly printed on top notch machines from our custom nylon 6 alloy. Extremely lightweight, lifetime warranty, and made in the USA! Reuses stock spring and follower.
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