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G&P Complete Metal Hopup and Inner Barrel Set for M4 M16 Series Airsoft AEG Rifles (Length: 363mm)

4 Customer Reviews

by Andrew R. on 02/25/2015
"Worked great for me. I put in a madbull tight bore and some flat hop. I can now shoot over 200 ft. Great hop up system.
by Andrew R. on 02/25/2015
"Worked great for me. I put in a madbull tight bore and some flat hop. I can now shoot over 200 ft. Great hop up system.
by Ryan B. on 11/29/2014
"Not happy with the performance. Bought two to upgrade a King Arms M4 AEG and another M4. Neither unit worked in either weapon. I'd get one or two good shots then misfeeds and low compression shots (10' travel). Again, not happy with the performance of these units.

I haven't torn them apart to see if it's just the barrels, bucking or hop up units.
by Jeremy W. on 07/16/2014
"To shorten this up, not worth it.

I bought this for my PDW to replace my JG hopup I previously had in it. And this was worse. I mean, it may just be mine I received or just doesn't work with PDW's. But for me it jams up a lot. Sometimes it shoots 100 fps at about 30ft. Other times it jams up. I've cleaned it. It may just be my gun or mags (I use elite force midcaps).

Pros:
Metal
Tight bore already installed

Cons:
Jams. (May be my gun or mags)

Again, May just be mine.