![]() Notable examples include the WGP Autococker, the Palmer's Pursuit Shop Blazer and Typhoon. Pneumatically Operated Semi-Auto: a low pressure pneumatic piston controlled by a four-way valve connected to the trigger resets the firing mechanism in between shots, and can be thought of as semi-auto conversions of markers which would otherwise be pump or bolt action. Notables examples include the Air-gun Designs Auto-mag, Tippmann X-7 Phenom and the Tiberius Arms T8. The internals of blow-back operated markers can be either inline, with the bolt, valve and hammer all aligned along the same axis such as the Tippman 98, or stacked tube with the bolt in a separate tube from the hammer and valve such as the King-man Spider.īlow Forward Semi-Auto: The firing mechanism of the marker operates using the gases stored in the valve to cycle the bolt and fire the paintball, after which a spring resets the mechanism for the next shot. Throwback Semi-Auto: The mechanism of the marker is cycled using gasses released by the valve which reset the firing mechanism between each shot, similar to the way some semi-automatic rifles such as the AK-47 operates. Examples include the Line SI Advantage, the NSG Splatmaster Rapide and the Brass Eagle Barracuda. ĭouble Action: the trigger mechanism of the marker both fires and resets the firing mechanism, similar to the way a double-action revolver operates. There is significant debate as to what type of operations the Sterling employs, as some consider it to be a hybrid between the two main designs, and others simply consider it to be a stacked-tube Nelson. Sterling "Hybrid" Valve: A variation or hybrid of these two methods of operation has been employed in the design of the Arrow Precision Sterling, wherein the bolt is located in a separate tube, as in a Sheridan valved marker, the hammer latches to a carrier similar to how it would to the bolt in a Nelson valve design, and when release it hits a Sheridan styled pin valve. ![]() ![]() Notable examples of markers which employ this mechanism are the Nelson Nelspot 007, the CCI Phantom and the Redux. The valve is then closed by the valve spring and the marker is ready to be re-cocked for the next shot. Pulling the trigger disengages the sear from the bolt, allowing the main spring to propel the hammer rearwards onto the powertube, thus opening the valve and allowing compressed gases to flow from the valve chamber to the barrel through the powertube and bolt which propel the loaded paintball forward. The bolt and attached hammer are then pushed forward to close the breach and load the paintball into the barrel, at which point the sear can be engaged by the trigger and the marker is ready to fire. To cock the mechanism, the bolt is pulled back against the main spring to allow a paintball to fall into the breach, at which point the sear latches the hammer to the bolt with the compressed main spring in between them. In such markers the bolt, hammer and valve are all located in the same tube. Nelson Valve: Named after the Nelson Paint Company whose marker, the Nelspot 007, first employed this mechanism.Notable examples of markers which operate in this way include the Sheridan K2, the Worr Games Products Sniper and the Chipley Custom Machine S6. The valve spring then closes the valve with the hammer still resting on the valve pin, after which this cycle must be repeated in order to fire another paintball. Pulling the trigger releases the hammer which is propelled forward by the main spring, hitting the valve pin and opening the valve which allows compressed gas to flow from the valve chamber into the barrel chamber thus propelling the loaded paintball forward and out of the barrel. The bolt is then pushed forward, which loads the paintball into the barrel and the marker is ready to fire. Doing so also pulls the hammer backwards against the main spring, which is then held back by a sear connected to the trigger. To cock the mechanism, the bolt is pulled backwards thus opening the breech and loading a paintball. ![]() Sheridan Valve: Named after the Sheridan series of markers which first employed this design, markers which employ this mechanism have the bolt which loads the paintball is located in a separate tube from the hammer and valve. ![]() There are two main patterns of internals upon which most pump- and bolt-action markers operate: Markers of this type are the oldest used in the sport as the first ever game of paintball was played using the bolt-action Nelspot pistol. Pump or Bolt Action: the mechanism of the marker must be manually reset in between each shot, similar to pump-action shotguns and bolt-action rifles. There five main methods of mechanical operation: Mechanically operated paintball markers operate using solely mechanical means, and as such do not use electro-pneumatic solenoids controlled by an electronic board to fire. ![]()
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