ALL NEW SOLENOID DESIGN 
The Geo3 has taken the basic operating principle of the Geo2.1 and completely reworked it. In order to achieve optimum efficiency in a wide range of circumstances it is beneficial to isolate the firing chamber from the gas supply during firing cycle so that no excess gas is lost down the barrel after the ball has exited. The Geo has always incorporated this feature by selectively controlling supply to the firing chamber via the ISCIS (Innovative Solenoid Controlled Isolation System) Valve. The Geo3 incorporates the Second Generation ISCIS Valve, a complete rework of the original principle aiming to improve efficiency and reliability. The main body of the solenoid is now all aluminium. The secondary spool-driven poppet that controls shut-off of the gas supply to the firing chamber during the firing cycle now works independently of the bolt drive side of the solenoid. The new design also no longer utilises the back-check ball or the Purge Control Valve (PCV) of the old Geos which reduces parts count and further improves reliability. The whole mechanism is more reliable and far more robust than the old solenoid. More importantly to some, by reducing losses from the solenoid during the firing cycle there has been an increase in efficiency in the Geo3.
NEW BOLT SPEED CONTROL (BSC)
A great deal has been learnt through the development, testing and subsequent on-field use of the Ego11's adjustable solenoid flow controls. By accurately controlling the flow of the bolt drive exhaust gasses through the solenoid the acceleration and speed of the bolt can be adjusted. Changes in the bolt speed results in changes to feel, sound signature, paint handling, rate of fire and even efficiency. By allowing the user access to this type of adjustment "on-the-fly" with an external adjuster located in the side of the frame means that a player can alter the feel and performance profile of their marker within seconds. In some cases at extreme levels of adjustment there may be need to fine tune the markers dwell to match the required bolt speed, but in general use the BSC adjustment is as simple as dialling in the velocity on the inline regulator.
NEW CURE ST AND CURE ST2 BOLT
With players continually wanting to shoot the most fragile paint possible we are constantly striving to improve the way that our markers receive paintballs into them, how the ball 
is transferred from the breech to the barrel, and how the ball is accelerated down the barrel. We do everything we can to make sure that the paint is handled in the most efficient way possible while still fulfilling all the other criteria required for a modern paintball marker to be competitive. During the loading and firing cycle the bolt plays probably the most crucial role out of all the components in the marker. With the Geo3 we incorporate a uniquely long bolt stroke. Doing this allows us to manipulate the profile and form at the head of the bolt in a significant manner when compared to other bolts and still provide a good breech seal during firing. The Extra stroke length is utilised to provide a shape to the head of the bolt that acts as a gentle interface between both the ball that is being pushed into the breech and the ball that is second in the ball stack, awaiting loading. The Geo3 bolt takes this to the next level with the Cure ST2 Bolt by providing a fully cushioned, rubber bolt head that is used to reduce impact forces on both the ball in the breech and the ball in the stack. It allows paint that would have previously been thought un-shootable to be shot with complete effectiveness. As if that wasn't enough, you will also find the original Cure ST bolt included as standard with the Geo3.
is transferred from the breech to the barrel, and how the ball is accelerated down the barrel. We do everything we can to make sure that the paint is handled in the most efficient way possible while still fulfilling all the other criteria required for a modern paintball marker to be competitive. During the loading and firing cycle the bolt plays probably the most crucial role out of all the components in the marker. With the Geo3 we incorporate a uniquely long bolt stroke. Doing this allows us to manipulate the profile and form at the head of the bolt in a significant manner when compared to other bolts and still provide a good breech seal during firing. The Extra stroke length is utilised to provide a shape to the head of the bolt that acts as a gentle interface between both the ball that is being pushed into the breech and the ball that is second in the ball stack, awaiting loading. The Geo3 bolt takes this to the next level with the Cure ST2 Bolt by providing a fully cushioned, rubber bolt head that is used to reduce impact forces on both the ball in the breech and the ball in the stack. It allows paint that would have previously been thought un-shootable to be shot with complete effectiveness. As if that wasn't enough, you will also find the original Cure ST bolt included as standard with the Geo3.
NEW GEN3 PROPSHAFT AND CAN ASSEMBLY
The Geo3 comes with a modified Propshaft and Can Assembly. The propshaft still benefits from the unique spring-loaded Drive Core but modifications to the Propshaft tip improve gas flow through the bolt and past the tip while still keeping the propshaft perfectly concentric within the bolt. This Drive Core prevents air-loss both on the firing stroke of the bolt, leaving residual, previously wasted air trapped in the valve chamber, as well as ensuring the valve chamber is fully sealed prior to re-filling on the return stroke of the bolt. This results in better efficiency and faster recharge of the valve chamber. The new Can and Bolt have previous pressure relief vents that were required for safe degassing of the old ISCIS solenoid removed. The removal of these vents results in less gas wastage per shot.
NEW FRAME AND TRIGGER GEOMETRY
The Geo3 sees the grip-frame moved up and back over the previous generation bringing the rear hand closer to the barrel axis for an even more natural feel in the hand. Moving the hand higher and further back helps reduce the amount of felt recoil and produces a more stable platform whether firing single shots or in full ramp. The Geo3 trigger has also been borrowed directly from the Ego11 and is 4-way externally adjustable with both magnetic and leaf spring return mechanism and the option of both Opto or micro-switch actuation built in. The frame itself has been strengthened to reduce chances of accidental damage yet still designed to be the primary crumple zone in cases of large impacts.
NEW CONSOLE AND GRIPS
Following on from successful implementation of a full length grip, pushbutton and display window console on the Ego11 the Geo3 includes its own variation on the theme. A long, soft gripping surface added all the way up the back of the frame right up to the body interface. The Geo3 also includes the Ego11 grips with twin screws per side and their slim, sticky feel.
NEW INTEGRATED BODY FILTER
The majority of solenoid and drive-train issues can be completely avoided through proper filtration of the air supply. Unfortunately air provided by fields or events isn't always perfect, so in order to better protect the user’s investment and to ensure that the Geo3 works for longer and better between maintenance stops there is now a replaceable filter captured within the FRM. The filter protects the solenoid unit as well as the bolt, propshaft and can from ingress of dirt and debris from the air supply, POPS, fittings and inline reg.
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