Is it good, by design or by conforming to the law (or confusing the law which is always fun), to build your ARs out of different make/models... say a RA-15 lower and a stag arms upper?
Or should you just stick with a make/model, and, say, make an entirely Stag Arms rifle?
Or should you just stick with a make/model, and, say, make an entirely Stag Arms rifle?

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