Machine marks and wrong rail - Precision Reflex .308 Armalite Rifle Length Top Rail w/ Front Sight Clearance

I ordered the 0 moa rail a couple months prior to ordering the handguard it goes on so I left it in the package. I finally bought the handguard on sale a couple weeks ago and when I installed the rail I noticed it has “20 moa” written across the top (despite the label on the package having the correct sku) and of course the return window has passed. Also, for a $160 rail, it has an awful lot of machine marks. Neither of these issues are complete deal breakers, I’m still going to use it, but for as much as they charge I think more can be expected.