Certainly not bad but it isn't great. This unit came in my M4 and works okay but isn't quiet worth $17. If you break it you are better off just getting a different one if you can. BE VERY VERY CAREFUL changing out the barrel because the spacer in this is clear and VERY hard to get back in and to find, so if you are getting a new barrel I would suggest also purchasing a new spacer just in case. I would never have found mine if I hadn't stepped on it when I was getting dressed this morning, otherwise our housekeeper would have swept it up and I would never have seen it again.
not quiet worth 17 bucks
clear spacer is impossible to find
this is not the best hop up unit. when i put this on a G and G 6.04 barrel, and then put those two in my jg m4a1 enhanced it was double sometimes triple feeding all over the place. the problem wasnt the lubrication of the hop up but the hop up rubber or the actual hop up. i even checked if it was the mag or bbs but they were just fine. if i were you i would keep looking.
makes your m4 pretty accurate
comes with everything you need
2-peice (not a big con)
hard to get on the barrel
For starters this hop up is great and is a LOT sturdier than the TM/CA one. It was stock in my JG Hk416 and it worked like a charm, it has great calibration and is made out of WAY sturdier plastic than the Classic Army one. The bucking is not the best and I support replacing it for guns that shoot over 380fps.
In the end FANTASTIC!
STURDY STURDY STURDY
Black and Chrome
The CA one is $H!T lol
Bucking is not very impressive
My first one was good until I dropped it. lolol
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