Colt 9MM Magazine Magwell Adapter for AR-15 9mm Luger

9MM Colt Magazine Magwell Adapter for AR-15 Easily convert your standard .223/5.56 AR-15 lower to accept Colt-style 9mm magazines with this USA-made magwell adapter. Designed for fast, no-gunsmithing installation, it drops in from the bottom and secures with top- and bottom-locking screws without removing the bolt catch. Built from T-6061 aluminum with a black anodized finish, it features steel feed ramps and an ejector and supports last-round bolt hold-open. Compatible with Colt SMG and Uzi-style magazines. Specifications Material: T-6061 Black Anodized Aluminum Feed Ramp & Ejector: Steel Compatibility: Colt SMG & Uzi-Style 9mm Mags Bolt Hold Open: Yes (last-round) Installation: No mods; includes hardware & hex key Net Weight: 4.3 oz Origin: Made in the USA Installation Remove the screw and the washer that is pre-installed next to the ejector Feed the magwell like a regular magazine into the magwell After locking into the lower, reinstall the washer and screw Then use the provided Screws(2) and hex key to set the block into place from the bottom