This handle over at RAP4 :
http://rap4.com/paintball/os/tippman...le-p-2783.html

This stock at RAP4 :
http://rap4.com/paintball/os/tippman...ly-p-2668.html

All the HammerHead barrels :
http://www.hammerheadpaintball.com/barrels.html

I will take a closer look for more, but those three jumped out at me.
Absolutely incredible list Invictus BZ!!

Edit :
The OpsGear series of A-5 Barrels here :
http://www.opsgear.com/s.nl/sc.22/category.152/.f

Edit #2 :
The RAP4 barrels :
http://rap4.com/paintball/os/barrel-...2_220_238.html

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