I need some help here, I’m looking at purchasing an RRA upper and I can’t find a real difference between the Standard A4 SS barrel and the National Match A4. Is the only difference the free-float hand guard?
there are several differences.
the sights are different (NM vs regular)
the default twist is different (1/9 vs 1/8 although you can order it either way)
the weight is different (9.8 vs 8.2 lbs)
their accuracy expectation is different (1 vs 3/4 moa)
Looks to me like the free float handguards are the difference. They want $50 to add them to the non-cmp version so that puts you at $525 which is $15 cheaper . .I wonder if there's something about that version that would make it non-cmp legal though?
FWIW I've got the NM with the free-floated handguards and wilson stainless barrel and the damn thing is very accurate.
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