Hi all,
I was going to get a WOA upper, but dont want to wait so Im assembling a 16" precision upper.
Use will be practical shooting, likely doing some gas gun matches casually.
1. Im pretty much set on the rainier UM barrel, any reason to look elsewhere?
2. MAIN QUESTION:
Im torn between
-aero m4e1 enhanced upper/handguard 15"
-standard upper with Giessele mk4 13.5"
Is this a toss-up or any reason to go one over the other for a presicion build?
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