Shredder's Concave Hop-up Spacer What is a Shredder's Concave Spacer or SCS?
A Shredder's Concave Spacer or SCS replaces the stock hop-up nubs/spacers that come along with AEG's. It it manually made on a lathe and each is measured with the use of a Mitutoyo Digital Caliper in order to get a precise measurement that will make it fit inside the hop assembly and the barrel window. What is it made of and why?
It is made from a special engineering plastic which is light, flexible, chemical/wear resistant and great machinability. Is it better than the other nubs/spacers out in the market? Why?
YES it is better! The reason behind my answer is... out of all the designs and measurements that I made, the concave shape of the SCS and its wide gap in the middle provides the BEST hop rubber bucking to bb surface contact. It aligns the bb's inside the barrel at the center and eliminates the possible sideways movement as the bb's pass directly below the hop bucking. IMPORTANT!!! PLEASE READ!!!
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). Shredder guarantees 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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