Just put together an AR and having problems with barrel axis vs scope axis. Once it is sighted in at 100 yards it is 4" low at 25 yards. Zero it at 25 and it is over 12" off at 100. Picatinny rail and scope centerline are parallel.
The upper is a DPMS 16" with stainless oracle barrel. Scope mount is a Burris P.E.P.R. and scope is a Bushnell Banner. Distance between scope center and barrel center is 2.5". I believe that if zero'd at 100 yd it should only be off center at 25 yd by less than 2".
Is this a common problem for ARs or do I have a receiver or barrel that is no good? Is there an easy fix for it. I am obsessive with torque wrenches and details so everything was installed properly.
The upper is a DPMS 16" with stainless oracle barrel. Scope mount is a Burris P.E.P.R. and scope is a Bushnell Banner. Distance between scope center and barrel center is 2.5". I believe that if zero'd at 100 yd it should only be off center at 25 yd by less than 2".
Is this a common problem for ARs or do I have a receiver or barrel that is no good? Is there an easy fix for it. I am obsessive with torque wrenches and details so everything was installed properly.
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