I’m FINALLY finishing up my 9mm pistol build after 2yrs...yeah, I know, hush. Lol...Anyway. I bought a 9” Guntec MLOK handguard from Optics Planet for it. Well. When I originally bought it, I checked the fitment to the upper and the MBUS sights on the Aero upper and the handguard. Upper, is perfectly good. Its Aero. It should be. The handguard however, is not. I put the sight on, and it wiggles around. Thats a problem. So last night, I got all the parts back out along with my digital caliper and checked the pic rail widths. The upper checks in at .8275”, and the handguard comes in at .8165”. No, it doesn’t seem like much, but still. A gap is a gap. I emailed O.P. then and said I would have to go through Guntec instead of them. 1) anybody ever had this problem with a handguard? And 2) anybody ever dealt with Guntec? Thank you!


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