"I noticed that the moving part of the charging handle had been oiled which is nice.
so my whole review for the scar is good but i did find one problem with the magazine that my gun came with, when i was moving the magazine around i noticed something was loose in it, so i tilted it toward the ground and i noticed that their was a little metal lock washer moving around where the bbs would be lined up to go in the gun. and i knew that it wasn't right being that way because it blocked the bbs from being able to come out. after taking it apart i found that the washer must have gotten loose, easy fix, there was also about 10 bb's in the magazine, and i haven't added any to the magazine at this point. i guess its good cause it shows that they test fire it before sending it,also i almost forgot, i couldn't find anything about taking the flash hider off and if the barrel is threaded or not, it is indeed threaded along with the flash hider, so when removing it heat it up for a good 5-10mins with a hair dryer and then twist it clockwise, i couldn't do this by hand so i used a pair of pliers. shot it and i noticed that the stock magazine doesn't feed well at all, if your going to get this airsoft gun, might as well invest in some new magazines this one will disappoint you. i got an 8 pack of MAG plastic 130rnd mid caps and they are amazing. i am going to add some vital information about this gun pertaining to specs, for all you people who love to pick a gun for more than its looks. ok to start off ill start with the inner barrel, its a 280mm. so next, it has a metal v2 gear box, the gears are all metal(classic army stamps on them)metal cylinder, polymer piston and piston head(ported) cylinder head is plastic, plastic tapet plate, plastic air nozzle, metal spring guide(no bearings) everything is heavily greased which is better than no grease =). metal trigger. classic army motor, metal hop up unit, the bucking isnt too great and occasionally 2 bb's would come out or one would just fall down the barrel if i tilted the gun. the whole upper receiver wobbles a little. the screws that hold on the stock like to get loose and come out so i recommend putting some lock tight on them, as well as the pistol grip."