alliwantisapepsi 3 Posted March 17, 2011 Report Share Posted March 17, 2011 Can anyone give input about installing HK sights on their 308? Just curious if maintaining zero is possible or will it jump to minute of man? My cover seems very rock solid, very minute (1-2 mm) side to side movement if I put about 15 pounds of pressure on it. Input please... Quote Link to post Share on other sites
finlander 3 Posted March 17, 2011 Report Share Posted March 17, 2011 1-2mm is lot of movement imho when talking about something that acts as a sight base... I have had a peep sight mounted on a dust cover, it held zero very well. Just hammered the cover so that it was tight fit. You can also tighten it by welding material to it then filing it to exact fit. Also welding material to cover release button hole so that release button kinda presses the cover down and tight helps. Quote Link to post Share on other sites
jacksmad1 2 Posted March 17, 2011 Report Share Posted March 17, 2011 Can anyone give input about installing HK sights on their 308? Just curious if maintaining zero is possible or will it jump to minute of man? My cover seems very rock solid, very minute (1-2 mm) side to side movement if I put about 15 pounds of pressure on it. Input please... How long will your sight radius be with the HK sight installed ? (Distance between your front and rear sight) Quote Link to post Share on other sites
jacksmad1 2 Posted March 17, 2011 Report Share Posted March 17, 2011 (edited) How long will your sight radius be with the HK sight installed ? (Distance between your front and rear sight) For instance, if your sight radius is 15" and your target is 100 yds away, a movement of 2mm on your rear sight would cause the point of impact to move 18.8". Edited March 17, 2011 by jacksmad1 Quote Link to post Share on other sites
guncats 4 Posted March 17, 2011 Report Share Posted March 17, 2011 or you can shim the gap on both sides and add a little high temp RTV to seal it for good. Quote Link to post Share on other sites
alliwantisapepsi 3 Posted March 18, 2011 Author Report Share Posted March 18, 2011 Measured it at less than .5 mm movement. Overall radius will be 17 inches. What is the measurement height of the aperture from the top cover of hk sight? Reason being I'm running a scoutscope mount on the rear sight block. Quote Link to post Share on other sites
jacksmad1 2 Posted March 18, 2011 Report Share Posted March 18, 2011 with a 17" sight radius at 100 yds your .5mm play would cause point of impact to move plus or minus 4.16 inches Quote Link to post Share on other sites
alliwantisapepsi 3 Posted March 18, 2011 Author Report Share Posted March 18, 2011 Thanks jacksmad1. Quote Link to post Share on other sites
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