First - great sights. Definitely makes a difference. My K31 was accurate with the issued sights but it drills tacks now. My reason for only 3 stars has nothing to do with Graf's but with Swiss Products. There were no instructions included on how to install the site. The "sighting in" instructions were ok but even those needed some interpretation. I figured it out how to install the sites looking at the photos on SP website. The thumbscrew shown in the sales picture is now an Allen screw - no biggie I guess. The set comes with 2 different allen wrenches- but you need 3. You'll need a 1/8" wrench to attach the rear sight to cylindrical bar. This might be a "flag ship" product but the support leaves something to be desired.
Written by Tom O.
on Mar 24, 2014 at 9am
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