Did you bed your barrel by any chance?
Bed the barrel and use at least 65 ft-lbs of torque on the barrel nut.
Use a torque wrench to balance the load on your gas block fasteners, leaning on lighter weight than heavy. You can also bed the gas block to the barrel with Red Loc-tite, which is a lot easier to do with the JP Clamp-on unit than a set screw type.
Just make sure the gas ports align center-to-center.
JP barrels when installed with several different accuracy-enhancing techniques will generally be sub 1/2 MOA to 3/4 MOA for 5rd groups easily, and 1 MOA for 10rd groups.
Bed the barrel and use at least 65 ft-lbs of torque on the barrel nut.
Use a torque wrench to balance the load on your gas block fasteners, leaning on lighter weight than heavy. You can also bed the gas block to the barrel with Red Loc-tite, which is a lot easier to do with the JP Clamp-on unit than a set screw type.
Just make sure the gas ports align center-to-center.
JP barrels when installed with several different accuracy-enhancing techniques will generally be sub 1/2 MOA to 3/4 MOA for 5rd groups easily, and 1 MOA for 10rd groups.
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