Precision Rifle Gear MDT ACC Elite Full Length Bridge EOI

We have our fist one stateside - made it to TX in 8 days 🎉

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Honest question - OG post says

When I got my ACC I was frustrated that they didn’t offer a one piece top cover.

What's the call for a top cover based on? I know a lot of this kind of stuff is marketed for running clip ons, but Imma venture a guess that a very small percentage get used for that. Is it just for aesthetics, or something functional? Am I missing out on something by not having a top cover on my gun?