400 fps Upgrade Kit for ICS M4/M16 Airsoft Guns
Do you want to upgrade your ICS Airsoft Gun? Are you wanting the best M4 on the face of the earth? Are you new to upgrading and worried about what parts to buy? Do you want to shoot your enemies from a distance that they can't touch? Do you want to do all of this for less than $100 bucks?
Well, ICS has taken out all the guess work and done the research for you. Here is a COMPLETE upper mechbox upgrade kit that even includes the mechbox !!! This kit has everything you need to push your ICS rifle to the 400 fps range. Piston, piston head (with bearings), cylinder, cylinder, head, spring, spring guide (with bearings), tappet plate, and air nozzle. Simply install the perfectly-matched components in the upper mech box, then slide it into you ICS weapon of choice (any M4 / M16 variant) and you are ready to rock.
Designed for ICS M4 guns only. Will not work with Marui, ICS, SRC, Echo1, Classic Army ... etc.
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