Completely stock M249 Box mag works and feeds flawlessly. Gun shoots wonderfully. Charging handle doesn’t work, but that’s only visual and doesn’t affect functionality. Probably just need to connect the springs back up and such. Comes with: Gun Sling Box mag Lipo, lipo Charger, hi-caps or NIMH battery available... just ask $260 obo + 50% shipping cost (this gun is heavy) No trades at this time.