Mark 12 mod 1 July 8, 2019 16 32 64 128 Mark 12 mod 1 spr Mark 12 mod 1 upper Mark 12 mod 1 handguard Mark 12 mod 0 1 special purpose rifle Vfc colt mark 12 mod 1 Pri ar 15 mark 12 mod h Pri ar 15 mark 12 mod 0 Mark 12 mod h Mark 12 mod 2