Got my retro upper from JSE today. I replaced the BCG with a chrome no-grooves BCG from Brownells. Slick side upper with no forward assist. Shown on a pre-13 lower.
Lot's of incorrect things; wrong grip and butt stock (both A2). No peel washer with the flash hider. Lower needs to be a slabside. Or maybe a partial fence for an Air Force model (604). Barrel is 1 in 7 not 1 in 12 twist.
I like an A1 style upper, but the pre A1 w/o the FA is just fine. This upper is much lighter than my A4 upper. When I retire out of state one day I will try to build a more correct lower.
Lot's of incorrect things; wrong grip and butt stock (both A2). No peel washer with the flash hider. Lower needs to be a slabside. Or maybe a partial fence for an Air Force model (604). Barrel is 1 in 7 not 1 in 12 twist.
I like an A1 style upper, but the pre A1 w/o the FA is just fine. This upper is much lighter than my A4 upper. When I retire out of state one day I will try to build a more correct lower.
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