Paintball guns; Paintball markers; Ammunition for paintball guns and markers, namely paintballs; Paintball gun and marker power supplies, namely, nitrogen and CO2 accessories, in the nature of tanks, containers, dispensers, and fill stations; Paintball guns and marker accessories, namely, projectile feeders, rear velocity adjusters, regulators, side and rear cocking components comprising cocking rods and cocking bolts, sight rails, stocks, trigger upgrades, barrel adapters, barrels, drop forward and tank adapters, expansion chambers, fire power upgrades, grips, and cases, miscellaneous fittings for paintball markers in the nature of O-rings and O-ring kits, screws and screw kits, upgrade feed necks, replacement parts, barrel squeegees, clips for ammunition magazines, paintball harnesses, and paintball tubes; Harnesses specially adapted for holding paintball guns, paintball markers, paintballs and paintball accessories