L3I's New Cz 457 Bottom metal with extended latch! Made from 6061-T6 Aluminum, one piece construction with oversized trigger guard! Featuring a competition magwell funnel for quick and easy loading! Compatible with all stocks that use the factory CZ bottom metal (Manners, Boyds, MTR, LRP, Varmint etc…)! This is designed strictly for 22LR is not compatible with 5 round magazines. Product ships with bottom metal and our Extended magazine latch.