Reviews: Matrix / AIM Lipoly Ready 8mm Complete Gearbox for M4 / M16 series Airsoft AEG ( M120 / Back Wiring)


21 Customer Reviews
Model: GB-Monster-120B

Displaying 13 to 21 (of 21 reviews)

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by Marc P. on 2009-04-11 14:36:55
"solid gear box put it in dboy m4 with stock barrel, got it shooting over 438fps on average. hit a high of 448. deff gonna need a large type battery with gear box and g&p m120 motor i only get bout 3 1/2 hrs out of my matrix high output 8.4 1500mah batterys
by Amro S. on 2009-01-27 14:44:24
"Great box.. has a good shim job shoots and verry good air seal. I have had this box for a few weeks and it is good. it shoots at a High RPM and at a high FPS (580 barrel, matrix magnum, G&P hop-up.. 410FPS)
by Bo M. on 2009-01-24 22:32:56
"I have a 11.1v 4000 mah li poly battery that destroyed my first gearbox in under 2 minutes. My question is I want to know if this gearbox can handle the battery, and for how long. Please answer if you have this gearbox and know what you are talking about. Thank you.

Webmaster: I use the "brick" myself too. That battery really just require a gearbox that is reliable and has m120 spring or higher (so it doesn't spin too fast).

Surprisingly....the JG new black gearbox and this Matrix 8mm gearbox handle lipoly MUCH better than some of the $200~$300 gearboxes.
by George C. on 2009-01-19 14:44:35
"Absolutely great gearbox. worth every penny. The only problem I have with it is it is actually shooting at around 500 fps rather that what they say on the website. Its alright for me since I am a sniper and Jericho allows up to 550 for snipers though if you dont expect to be a sniper be careful with this one
by David B. on 2009-01-16 19:43:24
"I installed this into my STOCK JG HK416 Full Stock with a 9.6 volt 3000 mah battery to push it. My stock FPS was 396 fps. With this Gear box and my 9.6V 3000mah battery installed the FPS jumped to 434 fps, just from the install. I had it chronoed by Airdog Airsoft at an event my team hosted in Alabama on 1/2/09. I'm lucky I was planning on it becoming a sniper rifle.
by John c. on 2009-01-04 18:26:42
"rex m. if u want a lower fps you can just cut off a couple of coils until you get a low enough fps
by LOGAN P. on 2008-12-16 15:34:38
"Awesome gearbox. I found out it does come fully assemble in a high grade plastic bag in side a solid paper box with all the specs on it. Worth the $110 .
by Matt J. on 2008-12-09 21:36:24
"Um.... seriously... pre-assembled... does it really mean anything else????? This gearbox probably isn't for you if you have to even think to ask. Most, if not all people who will own one of these will be able to build their own gearbox. Look to the JG/E1 replacement gearbox sets if you need to ask something so simple, this will require maintinance within the box eventually so if you're worried about putting it together, this isn't for you. This for any experienced player would be a good, cheaper alternative than to build from seperate parts alone, and a good place to start if you're serious about upgrading your gun.
by Rex M. on 2008-12-09 17:40:19
"I got this mech box and installed it in a CA M15 it ROCKS! It is shooting around 460FPS! SNIPER RIFLE
Probably need to install a different spring to use as primary weapon.
or shoot it enough to weaken spring and hope it last that long? will see

Displaying 13 to 21 (of 21 reviews)

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