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Madbull Airsoft Ultimate Hopup Unit for M4/M16 Series Airsoft AEG
[Hopup-MB-Ultimate]
$38.00
by Mathew U. Date Added: Monday 19 December, 2011
Not the first hopup I've put together but the easiest!
pro
1. The seal around the magazine is amazing - zero wobble.
2. upped my fps (same scenario as the last guy)
3. saves about a bb or two after the mag comes out
4. no exposed gears
con
1. assembly was easy HOWEVER only after i used a copious amount of silicon lube around the bucking
2. USE A LOT OF LUBE

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