The META Tactical APEX-Series Carbine Conversion Kit is the worlds first pistol to rifle bullpup style conversion kit allowing you to shoot your Gen 3-4 Glock 23 further and more accurately than ever before with the most responsive and compact platform ever created. Designed, developed, and tested to be the most versatile and innovative conversion kit on the market. Specifications for Meta Tactical Glock 23 Gen 3-4 Apex Carbine Conversion Kit: Manufacturer: Meta Tactical Gun Make: Glock Gun Model: Glock 23 Fabric/Material: Chrome Moly Features of Meta Tactical Glock 23 Gen 3-4 Apex Carbine Conversion Kit Bullpup design allowing for rapid target acquisition in a compact rifle platform Ambidextrous design with shell deflector, ambi mag-release, and ambi non-reciprocating charging handle Supports suppressor height sights Compatible with most aftermarket slides as well as optics ready/optics cut slides (without optic mounted) Built-in cheek rest allowing for a consistent cheek weld Compatible with most AR15 flat-top A2 style grips 6-position adjustable stock M-LOK accessory system on handguard with a NATO picatinny top rail Package Contents: Meta Tactical Glock 23 Gen 3-4 Apex Carbine Conversion Kit 16in Barrel Thread Protector Muzzle Device