and a magazine cut-off feature that stops the weapon from firing once the magazine runs empty

The upper and lower receiver are made of a strong polymer being able to withstand different types of impact

the holder is light weight while maintaining the rigid ABS material construction

Simple to use: insert pin

Tri-Rail Green Dot w/Red Laser QR Mnt JAG Arms and a magazine cut-off featureLED (Light Emitting Diode) 100% Safe for the Eyes Unlimited Eye Relief for flexible mounting Electronic Control Panel for turning Green Dot and Red Laser On Off and for adjusting Green dot brightness levels Integrated Red (Class IIIa) Laser that is fully adjustable for zero Three Rail Sighting System with three rails for mounting Accessories Adjustable Locking Quick Release Mount for mounting onto most weaver and Picatinny type rails Powered by 3 Volt