Bone Yard - A full metal gearbox M4A1 Airsoft AEG - Black or Desert (Store Display, Non-Working Or Refurbished Models)

$99.00 $70.00

Model: BY032-22793
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2 Customer Reviews

by Joe S. on 07/17/2014
"Got mine last week. Nothing seemed to be wrong with it (fired fine out of the box) but then it stopped firing and there was just a click noise coming from the gearbox. Opened it up, and found the problem. The piston and sector gear were jamming. The last tooth on the sector gear was catching the last tooth on the piston when the piston went forward. So I just removed the last tooth on the sector gear and all is well now. Also did a better shim job and corrected the AoE.

The gearbox isn't half bad! It has an electronic trigger (not the original contacts one), cylinder is nice, and the gears were well made. Piston has metal teeth, steel bushings. Hop up and barrel are average. Overall for $80 it was alright for a plastic M4 with an easy fix.
by Landon H. on 10/07/2013
"REVIEW
The gun I received was black, came with 2 working plastic hi-cap mags, an 8.4v nunchuck battery, and a charger. Icing on the cake.

TROUBLESHOOTING
- When I shot the gun I heard a faint click every time I pulled the trigger.
- BB's weren't flying out of the hop-up chamber.

RESOLUTIONS
The gearbox only needed a once-over and the hop-up needed a new bucking. Both were cheap, easy fixes.

Something to keep in mind though is that this is an ARES Sportsline AEG. Think proprietary parts. If you plan on using regular parts the hop up unit is wheel based and the chamber cannot fit a normal M4 hop up unit. It simply cannot fit due to lack of space in the upper receiver. Also, I tried to use a metal lower receiver and the pins that came with the gun are 1mm to large to use in any other lower receiver.

BOTTOM LINE
This gun uses 80% of the vast wealth of M4 parts (which are cheap and easy to find). For the price this AEG cannot be beaten.
An Elite Force (Umarex), G&G or ICS Full size M4 Airsoft AEG boneyard gun with metal gearbox, magazine and everything in tact! For the tech savvy and parts hunters! Great boneyard buy!

Keep in mind, this is not a Lancer grade or LPAEG grade rifle, it does have metal outer barrel, metal stock tube, metal dust cover, ....ect.
Great parts value and easy to repair.

This product was added to our catalog on Friday 26 October, 2012.

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