Do you know what is a SCS for your hopup?
Shredder's Concave Spacer
Quote:
The SCS makes your hop-up very sensitive and it must be aligned/centered properly to get its maximum effect.
The SCS is not a "plug and play" hop-up upgrade and you must eliminate all the hop-up problems (wobbles, misalignments, hop-up defects such as plastic/metal "flash" that came from the factory molds, barrel window must be at least 4.10mm wide and the edges should not be sharp).
I can guarantee that the SCS will improve bb groupings and range PROVIDED that it is installed properly. If you install it hastily without troubleshooting and fixing your hop-up and barrel problems prior to the SCS installation, you will certainly get bad results.
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I use one with a guarder clear rubber and it improves the grouping a lot!
9$ on airsoftparts.ca
http://www.airsoftparts.ca/store2/in...oducts_id=1593