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my jg m16 a4 airsoft gun is double feeding whats causing it.?

my jg m16 a4 airsoft gun is double feeding whats causing it.?help

tiger25618 years ago
Probably the chamber packing is messed up or the battery is low. Mine does the same thing when the battery is almost dead.
coolpizzadude (author)  tiger25618 years ago
whats the chamber packing.
The hop up is usually a piece of rubber (called a bucking) that goes around the barrel. It has a hole in it that the bb's pass thru from from the mag to the barrel. The barrel has a hole that and the bucking goes over. They do wear out but you could try to spray or drop some silicone oil, made for air soft, before you replace the bucking, if it;s damaged. Hope this helps. Madbull 60 degree bucking is less then $10 and you get 2 buckings a 2 h hops. I replaced the bucking and put on a tighter systema 6.04 barrel on my JG AK47 and it shoots straighter with a little more FPS.
tiger25618 years ago
If you take the barrle out of your gun the chamber packing is the plastic (possibly metal on yours) that adjusts the hop-up on your gun. They cost around $25. Hope this helps.