Yes, keep the shims out.
A sear out of alignment shouldn't cause a leak. It could cause reset issues though. Leaks down the powertube are always associated with the sealing orings in the powertube. In a level 10 setup, the sear can have an affect on leaking, but only if the sear is worn or is sitting in a rail that is out of spec where the sear is farther forward than normal causing the bolt to sit farther ahead than it should and exposing the vent hole while at rest.
The short stroking by definition is not releasing the trigger all the way before pulling it again to fire the gun. This short stroke reduces the amount of time that the on-off is open to recharge the front chamber. When the gun fires, the reduced pressure in the front chamber causes a cough of sputter. Other factors can also cause the same effect such as a slow bolt reset. The bolt/powertube carrier size needs to be properly tuned to reduce friction so that there is no delay in the reset. Until the bolt is reset, the sear cannot tip forward to open the on-off and charge the front chamber. This is where the level 10 tuning comes into play and why it is so critical to get it right.
Until you get your level 10 tuned properly, it will also impede the ability to achieve a good reactive trigger.
A sear out of alignment shouldn't cause a leak. It could cause reset issues though. Leaks down the powertube are always associated with the sealing orings in the powertube. In a level 10 setup, the sear can have an affect on leaking, but only if the sear is worn or is sitting in a rail that is out of spec where the sear is farther forward than normal causing the bolt to sit farther ahead than it should and exposing the vent hole while at rest.
The short stroking by definition is not releasing the trigger all the way before pulling it again to fire the gun. This short stroke reduces the amount of time that the on-off is open to recharge the front chamber. When the gun fires, the reduced pressure in the front chamber causes a cough of sputter. Other factors can also cause the same effect such as a slow bolt reset. The bolt/powertube carrier size needs to be properly tuned to reduce friction so that there is no delay in the reset. Until the bolt is reset, the sear cannot tip forward to open the on-off and charge the front chamber. This is where the level 10 tuning comes into play and why it is so critical to get it right.
Until you get your level 10 tuned properly, it will also impede the ability to achieve a good reactive trigger.
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