JG M4 RIS System Airsoft Gun 500 FPS
- JG M4 RIS System Airsoft Gun 500 FPS w/ 0.12g BB, 420 FPS w/ 0.2g BB
- Adjustable Flip-up Rear Sight, Adjustable Hop-up system,
- 300rds Metal Hi-Cap Magazine, Safe, Semi & Full Auto Modes
- Functional Safety Switch, Battery & Charger Included
- Reinforced Gear Box, M120 Spring Grade, extreme powerful and durable.
Product Description
New release on May 07, JG`s new M4 RIS system. Best of JG guns Metal gear box Heavy weight body, with a lot of metal parts Adjustable front and rear sight Adjustable Hop-up system Weight: 3000g Hi-cap magazine 300 rds Full size Semi full auto with functional safety Interchangeable rear and front sight Velocity 500fps with .12 bbs, 420+ with .20 bbs Mini battery 8.4 1100mAH Includes battery and charger Spring 120 grade! Retract stock One-piece metal barrel Flash hider cap.
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JG M4 RIS System Airsoft Gun 500 FPS
- Misc.: 0 pages
- Publisher: JG
- Label: JG
- Studio: JG
- Average Customer Review:
 based on 5 reviews
- Sales Rank in Sporting Goods: #48130
Avg. Customer Review:
0 of 0 people found the following review helpful:
Customer Rating: 
Summary: FPS Not As advertised 2008-07-24
Comment: The FPS on this gun is not as high as advertised. First of all you should never use .12 bb's with this gun. You will be lucky to get 370 fps with .20 bb's, and 320 fps with .25 bb's. The external of this gun is very well made, but my internal parts gave out after only one week. PLEASE NOTE: I did not purchase my JG from this seller, and do not want to take away from the integrity of this seller. This review is only for the gun, not the seller.
1 of 3 people found the following review helpful:
Customer Rating: 
Summary: Bad pre-upgrade claim 2008-02-22
Comment: This gun is claimed to be pre-upgraded with an M120 spring and no other internal upgrades besides a 'reinforced' gearbox, which im guessing is a standard cast iron V2. This M120 spring will break your gearbox faster than anything without proper internal upgrades that can handle the spring. First of all, you would need a high torque motor ($60), and a 9.6V battery, which they neglect to improve. Without these, you will run the 8.4V out in less than an hour, and have very sluggish fire, as reported above. Next, you will need reinforced metal bushings to handle stress on gears. You will also need a metal spring guide, and a reinforced polycarb or metal piston and piston head. You will also need a reinforced cylinder head.
The total of these upgrades will be more than $100. HiT just sells the M120 spring while neglecting the important coinciding upgrades. You're gun will die within a few weeks if you buy this gun and neglect further internal upgrades.
4 of 4 people found the following review helpful:
Customer Rating: 
Summary: does the m4 justice! 2008-02-13
Comment: There are way to many m type guns out there that are down right crap. double eagle, cyma, both elephant. those are just a few of the brand name crappers that are sold tairsoft players in high hopes that it'll be something special. Jg/gb/echo1 make excellent guns. right now im in the process of buying a jg mp5 NAVY. i do my research and ive found out that this gun tops marui's 4 s system. ive done comparison shopping and stat review. if only by a little bit this gun beats the marui m4 s system. i think by only paying 150 dollars for a jg thats better than a marui that is 360 dollars you beat the system.
Here is my review of the gun.
pros:
the gun is verry accurate by test fire. it has a high percentage of target hit which is surprising for such a small barrel length.
4 rail ris which leaves me room for my sling mount, my foregrip, my scope, my laser and my 3 point strope led light.
most of the gun is metal. at least all the frame work for it is. the gearbox, the mag house, stock bar, debris shield for the hop up system.
all plastic on the gun is not cheap by any means. thicker than the metal and holds it's own against concrete and dirt.
it's heavy and stable for those of you who like a comfortable weight it weighs in at 10 pounds.
comes with some goodies that would normally cost 15 to 30 dollars each. ie 3point tacticle sling, tactical foregrip.
here's the cons
cons:
my debris shield came witha broken clip so it's just a debris flap with no purpose.
the cocking bar on the back has a little tiny metal pin that holds the lon on the bar and if you're not careful, when you pull it back it might fall out. then you're screwed.
the crane stock on the back is wobble as well as the magazine house.
the front folding sight isnt adjustable so if your ris is cockieyed then so is your sight. and since the rear sight is fixed into place the sights are virtually useless
even though the barrel is interchangable with aftermarket products, the copper tubing is not renforced so if in the process of removing and changing your barell the copper projectile tube is bent or crushed somehow, your interchangeable barrel(s) are now useless as well. you now have a gun with a tiny nub at the end. congratulations.
overall i have to give this gun a 5 out of 5. even though there are some problems with it, there is no perfect gun. not even marui. not to mention about 70 percent of the other guns on the market dont hold hair to this one. good job jg. i look forward to writing a review on the jg mp5 full metal NAVY gun i will be ordering next week. cheers everyone.
6 of 7 people found the following review helpful:
Customer Rating:
Summary: Great gun 2008-01-13
Comment: (for the record i am jackie's son)
The gun is very powerful. My friends and I went to a local airsoft joint to chronograph the gun. We shot it with .12g bbs and .2g bbs. With the .12g bbs it chronographed at 509 FPS. This may seem great, but with the .12s the accuracy of this gun is bad if not horrible. At 35 feet or more it becomes hard to hit a target. The .2 chronographed at 430 FPS. This is pretty good for hitting targets near and far. I suggest using .23g bbs to play airsoft. We never chronographed the gun with these, but i use them and almost always hit my target and 9 out of 10 times it will leave a mark.
The bad sides of the gun is that it is very heavy. I mean Very Heavy. The guns battery life is ony 2 hrs. I suggest buying another battery for the gun. In addition, the battery has trouble fitting in its housing. the single shot goes to burst or full auto in weather to hot(80+) or to cold (45 or lower). Gun is great for sniping, but you do not want a scope that goes over 4x. Any higher is becomes useless. The gun has a pretty slow rate of fire.
I suggest this gun to all players of airsoft new and old.
6 of 9 people found the following review helpful:
Customer Rating:
Summary: Excellent gun 2007-11-30
Comment: This gun is well made. It points very well even without the forward grip attachment. There is plenty of room for extras on all the rails. It feels very, very solid.
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JG M4 RIS System Airsoft Gun 500 FPS
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