The Airsoft M16/M4 Tracer Magazine| J-Mag(JET Magazine) Rapid-load LED Magazine when used with tracer BBs adds to the thrill of nighttime combat, to also show the trajectory of BBs in dark settings to enable players to adjust shooting as necessary. The LED light is removable when not in use. 

The main feature of Airsoft M16/M4 Tracer Magazine(300 rounds High-Cap) is the rapid-load that can fully load 300 BBs by easily winding the arm 4 times. Modify has also strengthened the magazine base with an added ergonomic design. Players can quickly, easily load and fire without worrying about running out of ammo with this high-capacity magazine.

• Rapid-load: Simply wind the arm 4 times to fully load all 300 BBs.
• Modular LED magazine: Easily installed to use tracer BBs for nighttime combat.
• Lightweight design: The magazine is of polymer composite to be tough and durable.
• User-friendly and time-saving design easy-to-use when you play war games.