I just picked up four aluminum HK rails from hkparts. when i installed them on the rifle, they sit atop of the lug holes. There is no countersink on the underside of rail and as such there is tiny gap on all 4 rails. I kinda like the look but just want to make sure this is correct. The plastic rails I had on it prior sat flush along the top and sides. thanks for the time
thank you very much, now i can sleep!!!