The Magpul?SG9 Enhanced Magazine Release?offers users an extended magazine release with improved ergonomics over its OEM counterpart. Installation can be completed in seconds, and only requires a paperclip or 0.05" hex wrench. Featuring heavy-duty steel construction with a corrosion resistant QPQ finish and a contoured surface with custom jimping, the Enhanced Magazine Release is also reversible so it can be used by both left- and right-handed shooters. Made in the USA.