RT M4G: If your mag still chops, then use a stiffer bolt spring. This will reduce the available force on the ball.
10-brink: Increase the velocity setting until the gun fires consistently. If the velocity setting is too high when the gun fires properly, then you will need to use a smaller bolt spring and adjust the velocity down to a usable level.
indulgence: Remove all shims from your powertube when troubleshooting leaks. They don't do much anyway. Now you can use the largest carrier that does not leak. It should fit the bolt stem snugly but not tight enough that it won't slide easily. If the bolt stem is snug (not tight) and it still leaks even after you change the o-ring, then check your sear tip for wear. If the sear tip is worn, you will need to replace the sear.
10-brink: Increase the velocity setting until the gun fires consistently. If the velocity setting is too high when the gun fires properly, then you will need to use a smaller bolt spring and adjust the velocity down to a usable level.
indulgence: Remove all shims from your powertube when troubleshooting leaks. They don't do much anyway. Now you can use the largest carrier that does not leak. It should fit the bolt stem snugly but not tight enough that it won't slide easily. If the bolt stem is snug (not tight) and it still leaks even after you change the o-ring, then check your sear tip for wear. If the sear tip is worn, you will need to replace the sear.



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