CAA MCK MICRO CONVERSION KIT S&W M&P 9/40 W/BRACE ODG FEATURES: Magazine button catch/release for improved magazine retention No pistol disassembly required—just place pistol into the kit, lock and go Ergonomic Finger Groove Grip for more stability Aluminum top Picatinny rail for increased durability and accuracy Ambidextrous for fast and easy handling Right-folding stock/arm brace for easy concealment and carry, locks, and shoots from the folded position