There's no realistic way that someone can recommend a buttstock because almost all of it comes down to personal preference. There are a few objective things obviously (like if the latch doesn't hold) but other than that it really comes down to just trying it and seeing what you like. I own every single stock mentioned in this thread (and more) and just keep a huge tub of them to use on various builds. So I have experience running most of them and here's what I've noticed ends up being important for me:
Weight - IMO this is the most underrated factor when choosing a stock. Some people like to keep their guns as light as possible and so prefer and really light stock. Other people prefer a heavy stock because it can make the carbine feel more "balanced". Most of the stocks with big cheek welds tend to be pretty heavy (The LWRC Compact being a big exception to this).
Length - There's a really big variety in the length of different stocks. Stocks like the SOPMOD are really long while other stocks like the CAR are extremely short (same length as a receiver extension). And then of course there's even shorter stocks like PDW types that require a different RE or bolt carrier. The length can also be important depending on how many positions you have in your receiver extension.
Height - The height of the stock at the back end can really change how a stock feels when you shoulder it. A lot of the modern shooting positions have you run the stock closer in to your chest and keep a more "heads up" stance which can require a stock with a taller toe (so that the bottom of the stock can catch on your collar bone).
Cheek weld - Kind of obvious but even amongst all the stocks with good cheek welds, they all have different degrees of slope and amount of weld, so it's good to try them out and see what's most comfortable for your face and stance.
Beard snagging - A lot of the stocks can have seams in them where battery compartments or different parts of the stock come together and can snag on your beard. The VLTOR stocks are notorious for this. Just something to be aware of if you have a beard.
Lockup - Some stocks can be really loose on receiver extensions which can be annoying to some people. Some stocks (e.g., Magpul CTR/STR) have additional tension mechanisms in them that help increase the lockup which can be nice.
Positional Support - If you ever shoot prone or this is going on a precision rig, pay attention to the design of the bottom of the stock and whether or not it has an affordance for using a bag or getting a good grip on it to use for subtle elevation adjustments.
I'm probably missing some things but those are at least the main criteria I look at when choosing one. You'll definitely "be fine" with either of the two options you listed, but it can definitely be worth it to try a few out and see what you like best.
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