The Lancer Systems L5AWM 5-Round Limiting Floor plate lock/stop assembly is for L5AWM 10 round magazines in .223 Remington/5.56x45mm or .300 blackout. It is constructed from high-impact polymer with a unique floor plate lock to convert your 10-round L5 magazines into 5-rounders especially useful when hunting. It uses a hybrid design out of Lancer's Advanced Warfighter Magazines (L5AWM) to deliver reliable feeding and operation even in the most harsh weather conditions. Installation takes as little as a minute and can be done without special tools.Note: This product does NOT guarantee compliance for certain state magazine capacity restrictions. Please check your local and state laws prior to purchase!Features: High-impact polymer construction For L5AWM magazines Rugged, all-weather design Conversion of 10-round L5 mag into 5-roundersSince 2007 Lancer has designed excellent, reliable, firearms and components for national defense, law enforcement, and shooting professionals as well as sports enthusiasts. Lancer combines advanced materials and cutting-edge manufacturing to provide seamless modern equipment at the top-level.