Well you may want a Armotech Electronic Grip. Maybe a agiated hopper. I prefer Halo Bs but w/e you like personally. There are some Armotech barrel choices you can make for a color variation. You may want a Black Magic cupseal. Be sure to lube your orings and look over your gun very good.
If I can be of more help to you feel free to email me. Sales@expertshot.com
or pm me. W/e works for you the best. If your interested in purchasing or have questions about the marker Im here to help.