Magpul Instructions - Enhanced Ejection Port Cover

[@theoperator28]

And he just made a big scratch on the upper receiver close to the forward assist. 😂

[@swcblad]

those old dust cover is nasty…

[@jeffkashat4625]

I added this to an AERO M4E1 Upper and it binds. Any tips to adjust/fix?

[@Will-W]

Meh it's a scratch, scuffed is the hot look in today's rifles.
Also nice part.

[@dangerdoberman]

Polymer is progress!!!

[@RomainSCHWALLER]

Yeaaaah you can't miss it 😅
I was thinking "ohhh noo not that way, bend it bed it !! Bend... 🫣
Whatever.. this upper is not mine.. 😑