Excellent choice as a spare magazine or replacement

You can not go wrong with these 6mm

Tactical model w/ threaded outer barrel

12 inch Metal M-LOK Rail with Iconic Predator Styling

Trinity Fiber optic sight

PTS Enhanced Polymer Grip M4 Compact (EPG-C) for AEG MP5 Excellent choice as a spareThe PTS Enhanced Polymer M4 Grip Compact (EPG C) is a simple yet highly functional polymer pistol grip for the M4 M16 platform. It features an ergonomically designed shape and distinctive texturing that is optimized for strong and suitable grip under even adverse conditions. Additionally, the EPG C has a reduced grip angle versus a standard M4 grip that's more compatible with modern carbine gunfighting and CQB stances. This grip angle helps to reduce