Posted: 2/16/2011 1:51:10 PM EDT
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I recently bought a new match flat-top upper and there's not enough clearance between the post and the ears to use a front sight post adjusting tool. Also there's a difference in thickness of the ears of almost .020 at the base. All in all this is a poorly made sight. I hope this is not indicative of the quality of the rest of this upper. RRA Mod please respond. Thanks.
EDIT: I've been able to get the sight post adjusted with the tool after some tinkering. Both the tool and the upper are new so there was probably a burr or some flash on one of them I didn't see (oops). The misshapen appearance of the ears is another story. When sighting the non-symmetrical image is annoying and distracting and is worse than the .020" would lead one to believe. Also this measurement was just taken at the base. The one ear appears distorted all the way along it's length. This is not a sledgehammer or even a battle rifle; it is a MATCH rifle. The sights should be precision instruments and a distorted sight picture is not conducive to precision marksmanship. BTW I'm new to the AR platform but not to competitive shooting. I hold an NRA Hi-power classification of High Master (achieved with bolt guns). |
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Quoted:
I recently bought a new match flat-top upper and there's not enough clearance between the post and the ears to use a front sight post adjusting tool. Also there's a difference in thickness of the ears of almost .020 at the base. All in all this is a poorly made sight. I hope this is not indicative of the quality of the rest of this upper. RRA Mod please respond. Thanks. It is not a poorly made sight, there is no room for your front sight post tool. If the front sight post is mounted, a tool will work as well as other means which are even better then using a tool because they will not scratch the post. The .020 on the ears at the bottom means nothing, these parts are forged not machined and slight variances are not indicative of quality. Your front sight tool is another story. |