The TTI BP Fits 2011 9/38 4MM +2 Black Magazine Extension is designed to enhance the performance of your Staccato/Infinity/Springfield Prodigy 2011 style magazine. This mid-profile extension increases your magazine's capacity from 20 to 22 rounds while maintaining compatibility with the USPSA 140mm gauge. Crafted from durable materials with a hard coat anodized finish, it is recommended for use with the 140mm magazine, ensuring reliable feeding and functionality during competitive shooting and training sessions. Upgrade your magazine for improved efficiency and performance on the range or in competition. Intended Use: Ideal for competitive shooters looking to enhance magazine capacity. Key Benefits: Increases magazine capacity while adhering to competition regulations. Key Features: - +2 round capacity with factory spring and follower - Recommended for the 140mm 2011 magazine - Fits USPSA 140mm gauge - Hard coat anodized finish for durability Summary: Boost your shooting performance with the TTI BP Fits 2011 9/38 4MM +2 Black Magazine Extension, perfect for those who demand higher capacity without compromising on regulations or reliability.