Madbull DD 14.5inch M4 Profile Outer Barrel Trigger Groups Also features a 600 Lumen

Also features a 600 Lumen white light

Designed by an airsoft player for the players

Flat top receiver for 20mm Picatinny / Weaver mounted optics and accessories

ROF: 30rps The maximum cyclic rate of the F2™ is affected by several factors such as the operating pressure as well as quality of the magazine and BB's used

Upgrade potentials of the gun are also quite good

Madbull DD 14.5inch M4 Profile Outer Barrel Trigger Groups Also features a 600 LumenFor M4 M16 AEGAluminum barrel features authentic engravings stating the make, caliber, and rifling of the barrel. Fully licensed by Daniel Defense for airsoft use14mm CCW barrel threadFor standard carbine length gas block location.