Precision-fit magazine extension for the GLOCK 42 (.380 ACP) designed to work with the HandALL Beavertail Grip Sleeve. Made from durable OverMolded rubber and textured with Hogue's Cobblestone pattern, this extension improves grip, adds a finger groove for a fuller hold, and protects the magazine during rapid reloads and ground drops. (Magazine not included.) Product Details Compatibility: GLOCK 42 (.380 ACP) with HandALL Beavertail Grip Sleeve compatible ONLY with GLOCK 42 .380 ACP 6-Round magazines Material: OverMolded Rubber (thermoplastic elastomer) Texture: Cobblestone Color: Black Extends below the magazine to provide an additional finger groove for a fuller hand grip Protects magazine during quick-reload ground drops Long-lasting, durable construction that ages gracefully Simple installation Magazine not included