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  1. Advanced Security: Safeguard your AR-10 (.308) magazines with the state-of-the-art Gen 4 Magazine Lock, designed to ensure unparalleled firearm safety.
  2. Seamless Integration: Experience minimal upper and lower receiver separation during action disassembly with the Gen 4 and KingPin combo, providing smooth performance.
  3. Innovative KingPin: The newly introduced KingPin prevents the upper receiver from flying open during disassembly, enhancing convenience and security.
  4. Effortless Operation: A simple thumb-push on the pin opens the action for quick mag changes, automatically re-locking upon receiver closure.
  5. Versatile Compatibility: Benefit from the new set screw on the locking arm, allowing adjustment for ANY receiver width, including billet, composite, or 80% non-mil-spec receivers.



Elevate the security of your AR-10 (.308) magazines with the cutting-edge Gen 4 Magazine Lock from AR MAGLOCK, proudly offered by Greta’s Guns. Uncompromising in its design, this state-of-the-art locking mechanism ensures enhanced firearm safety and compliance, making it an indispensable addition to your shooting arsenal.

Key Benefits:

  1. Advanced Security for AR-10 (.308) Magazines: Trust in the Gen 4 Magazine Lock to provide advanced security for your valuable AR-10 (.308) magazines. This innovative solution enhances the overall firearm safety, allowing you to focus on the shooting experience with peace of mind.
  2. Seamless Integration for Uninterrupted Performance: Discover a seamless integration between the Gen 4 Magazine Lock and KingPin, enabling minimal separation during upper and lower receiver action disassembly. Experience smooth and uninterrupted performance, ensuring a hassle-free shooting session.
  3. Innovative KingPin for Enhanced Convenience: Introducing the KingPin – an innovation that sets the Gen 4 Magazine Lock apart. Say goodbye to concerns about the upper receiver flying open during disassembly. The KingPin guarantees that your action disassembly remains controlled and secure.
  4. Effortless Operation for Swift Mag Changes: Simplify your shooting routine with the Gen 4 Magazine Lock’s effortless operation. A gentle push of the pin with your thumb opens the action for rapid magazine changes. The lock automatically engages upon receiver closure, ensuring a swift and reliable process.
  5. Versatile Compatibility for Any Receiver: Adaptability is key. The Gen 4 Magazine Lock’s new set screw on the locking arm allows adjustment to accommodate ANY receiver width. Whether your receiver is billet, composite, or 80% non-mil-spec, this lock ensures a snug and secure fit.

Additional information

Weight .0625 lbs

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