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Extrem Rage Sports

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Omega Sear and Trigger Set
For the WGP Autococker
by Bill Mills

Omega Series Accessories from Extreme Rage Sports is officially launching their rapidly expanding line of paintball products at the 2002 International Amateur Open.  Their timer grip has been out on the market for a while, but the IAO will see the unveiling of machined metal accessories.  As a sneak preview to the product line, received a production model Omega roller sear and trigger set in advance of its Pittsburgh debut.

Roller sears have become a popular accessory for the WGP Autococker.  In a stock Autococker, the trigger is not a pivoting piece as it is with many paintguns.  Instead, the trigger is a metal plate that slides back and forth in the trigger frame.  The resulting trigger feel is akin to the sliding trigger of a Colt 1911 automatic pistol.

An angled ledge on the back of the trigger slides against the rounded lower front edge of the sear.  The sear is a lever, which holds the hammer back.  When the trigger is pulled, the angled ledge lifts the front of the sear, dropping its back end and releasing the hammer to hit the valve.

The smoothness of an Autocockerís trigger pull depends in part on how smooth and well lubricated the front of the sear and the angled ledge on the trigger plate are.  If they are dry and or have rough edges, the trigger pull will be rough as the two surfaces grate against one another.  The traditional trigger job for an Autococker includes polishing these surfaces to make them as smooth as possible.

Roller sears have a small ball bearing roller on their front.  Micro sized bearings let the rollerís smooth surface glide across the trigger plate allowing for a smoother trigger pull.

Omega goes a step further with their trigger plate.  As the trigger is pulled, it has a tendency to try and rotate clockwise (as viewed from the paintgunís right side) because the finger presses below its centerline.  When the trigger is returning, the return spring is pressing at the bottom, while the timing rod and 3 way valve are offering resistance at the top.  This causes a counter-clockwise rotation.  This is in part why two finger sliding triggers have a tendency to bind, and never became popular Ė they move the finger contact point lower amplifying this problem.  The Omega trigger plate and sear are both made of hardened steel for durability.

When the trigger plate rotates, its top surface presses harder into the bottom of the Autocockerís receiver.  This is another surface that must be both smooth and properly lubricated for a smooth trigger pull, especially at the rear of the trigger stroke.  Omegaís trigger plate adds a second and third ball bearing roller to the mix Ė one in the back to smooth the trigger pull, and one in the front to smooth its return.  This is an innovative feature not yet found in products from other manufacturers.

As an additional feature, the Omega sear has a notch on its back end that engages the sear spring, preventing it from shifting or sliding.  Also included in the plate and sear setís dense foam packaging are a new sear and trigger return spring.   

Installation takes a few minutes.  For testing, the set went into a 1998 Autococker with stock molded trigger frame.  First, the trigger frame was removed.  For players wanting to keep their safety (many remove it as part of a trigger job) it is important not to lose the safety spring and itís ball bearing at this point.  When they are removed, the retaining clip can be pulled off of the safety, and the safety can be slid out the side of the frame.  The trigger shoe comes off, and the searís pivot pin is pulled out the side.  The only tools used for this process are the hex wrenches of appropriate sizes, and a pair of pliers to pull out the searís pivot pin.

The trigger group then slides easily out of the grip frame, and is replaced with the Omega components, then the procedure is reversed for reassembly.

The reassembled Autococker with the Omega components shows the Extreme Rage logo engraved in the side of the trigger plate.  The resulting trigger pull on the test Autococker is noticeably smoother, while its length has not been changed.  The difference in the trigger pull is a change in feel from sliding metal surfaces to the smooth feel of the rollers.  The trigger return is fast and responsive.  This is an important factor to check after changing trigger springs, as some airsmiths or players install a very light trigger return spring to lighten the trigger pull, and end up with a trigger that does not reset reliably, especially under rapid fire. 

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