Ballistically the 4.6x30mm round is very similar to the 5.7x28mm round in the sense that it is a high velocity, flat-shooting projectile that has great penetration. Features EML handguards, full length M-LOK slots on both sides and the bottom of the handguard as well as M-LOK between the top picatinny rail sections; ZEROED parts including: pistol grip, drop-in trigger, 60/90 degree ambi safety, linear compensator 5.56mm, ambi mag catch, extended mag release button, AR15- ambi charging handle, bolt catch and polymer dust cover. Includes CMMG 40rd magazine.