P Poirierpro Sergeant of the Hide Full Member Minuteman Feb 24, 2020 158 44 Jan 27, 2021 #1 Jan 27, 2021 #1 How is the fit of the Gen 2 Aero rails to non Aero M4E1 uppers? I’ve heard of some tabs that may need to be ground off? I have a billet upper it would go on. Thanks
How is the fit of the Gen 2 Aero rails to non Aero M4E1 uppers? I’ve heard of some tabs that may need to be ground off? I have a billet upper it would go on. Thanks
