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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Dmr/sdmr build and testing report.
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<blockquote data-quote="GFO127" data-source="post: 1316272" data-attributes="member: 69273"><p>Could be the gas block because that is what operates the rifle so with the amount of gas going to the BCG changing all the time, if that's what's happening you will get a POI shift causing your zero shift. Also what brand of adjustable gas block are you using? You also need to make sure the set screw is tight on your adjustable gas block locking it in whatever position you adjusted it to or you will have problems with operation as well. Is your JP optic mount completely on your upper or does it span both the upper and your handguard/rail system? If it spans both and the handguard is not to the same spec as the upper you could have issues with movement and then your scope would be off the next day or later in your range session. Let me know about those questions and we should be able to get this fixed for you. </p><p></p><p></p><p>SSG G. OUT</p><p></p><p>"Death Waits in the Dark"</p></blockquote><p></p>
[QUOTE="GFO127, post: 1316272, member: 69273"] Could be the gas block because that is what operates the rifle so with the amount of gas going to the BCG changing all the time, if that's what's happening you will get a POI shift causing your zero shift. Also what brand of adjustable gas block are you using? You also need to make sure the set screw is tight on your adjustable gas block locking it in whatever position you adjusted it to or you will have problems with operation as well. Is your JP optic mount completely on your upper or does it span both the upper and your handguard/rail system? If it spans both and the handguard is not to the same spec as the upper you could have issues with movement and then your scope would be off the next day or later in your range session. Let me know about those questions and we should be able to get this fixed for you. SSG G. OUT "Death Waits in the Dark" [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Dmr/sdmr build and testing report.
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