Customize your ProLine Series AEG how you see fit with the new Externa Part Set from Lancer Tactical. This full metal replacement set includes a dust cover, charging handle, charging handle spring, fast trigger, selector switch, buffer tube, 3-hole sling mount end plate, magazine catch release, magazine catch button, bolt catch release, and a castle nut; all with a beautiful custom anodized finish. Each of the parts in this set are constructed fully from metal to offer maximum durability when used on your AEG. The universal design of this set allows it to be installed in all Lancer Tactical ProLine Series AEGs and other similar M4/M16 style airsoft rifles. Change up the look of your favorite AEG and add this External Part Set from Lancer Tactical to your lowdown to really make a statement at your next airsoft event.