longer outer barrel than inner barrel. make any big differences performance wise?
first, I'm not looking for extreme performance. as far as shooting goes, it'll just be backyard shooting and will just be a wall-hanger.
I'm looking at an HK416 14.5". The only available variant in stores is the 10.5". it comes with a barrel extension to make it 14.5" but it's only for outer barrel.
so my question is if it makes a big difference that for the remaining 4", there is no inner barrel.
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