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King Arms Full Metal Fully Licensed Colt M4A1 Carbine Airsoft Gas Blowback GBB Rifle
[GR-KA-M4A1]
$335.00 $299.00
by Cong W. Date Added: Wednesday 27 June, 2012
The King Arms M4 GBB is my first GBBR, I had some experienced with gas guns from my Tokyo Marui Glock 18C. GBBs are so much more realistic than AEGs with the kick (AEGs are boring). I have installed Daniel Defense Omega X 7" and real steel ACE stock. I recommend switch to WA/G&P system, get new bolt and mags.
Pros:
Full metal
Colt trademarks
GBB
500 FPS ~ 300 FPS (adjustable)
ROF is adjustable
great kick
Compatible with real steel parts (externals only)
Cons:
I accidently stripped the threads (14mm +) on mine
I've had 3 Magazines, all leaks and reject gas

Rating: 4 of 5 Stars! [4 of 5 Stars!]
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