Broaden your magazine choices with the MDT CORE Bottom Metal. Designed for smooth reloading and compatibility with AICS magazines in a variety of stocks, allowing you to run whatever capacity magazine is needed. FeaturesCompatible with the MDT Adjustable Magazine Latch for fine-tuned mag fitment.Use a wide array of AICS pattern magazines.Left-hand or right-hand dominant, you can comfortably swap mags for either side.The trigger guard is wide enough to fit both factory and aftermarket triggers. Note: If using for a stock that doesn't have a micro-chassis, you'll need to purchase pillars for installation.