Quote:
Originally Posted by koz
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We have been trying to get the RIS II with low profile gas blocks for a minute or two. DD doesn't have any in stock, nor does anyone else that I can find. It's like chasing a unicorn.
On a side note, if you replace the barell on the Mk18 short upper with a longer barell, you have more rail space then the mil spec M4s. Of course, crane may get mad at you, if you care about that.