The Field Package adds a 9.6V butterfly battery, wall charger, and extra 300 rnd high capacity magazine (for a total of 2).
The King Arms Nylon M4A1 carbine combines excellent value and outstanding performance. The M4A1 carbine is the most well known of all modern small arms. Its compact size, ergonomics, and iconic appearance makes it one of the most recognizable and versatile airsoft guns in the market. King Arms utilizes nylon fiber for its plastic components, which is far stronger and more durable than those airsoft guns that use ABS plastic. The King Arms M4A1 delivers power and functionality to the player without breaking the bank.
Nylon fiber body for superior strength and durability over ABS plastic
One piece adjustable hopup unit
Metal outer barrel, front sight post, trigger, buffer tube and charging handle
Metal gearbox with 7mm bushings and steel gearset
6 position LE style stock
Removable carry handle
Metal sling loops
Velocity 370-390 fps (0.20g BB)
Average rate of fire 750 rpm with 9.6V battery
Draws 16.5 amps on full auto