The Guarder Enhanced Hop-Up Chamber Set was made specifically for the Tokyo Marui Model 17 / 18C / 22 / 34, its incredibly tough which will withstand the battering of top gas. This is something that the original version may have trouble with, especially with higher powered gas!

Items included:

• 1x Guarder Enhanced Hop-Up Chamber Set for Tokyo Marui Model 17 / 18C / 22 / 34