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Thread: Have to re-zero every range trip

  1. #21
    Join Date
    May 2014
    Posts
    377
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    I have a larue SPR-15

    my point of impact was moving. I thought I had it tight. I torqued it down and I mean torqued. Now the gun shoots half inch groups

    I am still going to retire the larue and get a non removable mount for the scope.

  2. #22
    Join Date
    Oct 2006
    Posts
    257
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    5 (100%)
    Some years back this occurred to me with an M3 and an Aimpoint QRP mount. It seemed tight to the touch but still seemed to move on me. I got frustrated and tried more diligently to make it move in the mount, sure enough it would twist with more pressure. Apparently the recoil was enough to shift it in the mount while hand pressure wasn't unless excessively applied.

    It did not shift that much but I'd find the dot in a slightly different orientation in relation to the irons every trip and then I'd have to move it back, would shoot another string and then the darn thing was off again.
    "...forgive us our trespasses as we forgive those who trespass against us..."

    "I had no real need to remove it, but I like to check out things to see why they're so wonderful." - markm

  3. #23
    Join Date
    Mar 2011
    Location
    Orion Arm of the Milky Way
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    426
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    I had a similar problem once. Turned out the "problem" was a "buddy" who was trying to mess with me by moving my sights when my rifle was in the rack at the range.
    I expend tremendous amounts of energy and time merely to be normal.

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