GTA Online: Special Carbine mk.2 Custom

today i bring to you as part of the 2nd week of the
"Summer Surprise" Event i bring to you a custom ver.
of the special carbine,despite the fact that in online you
can't equip a twin-drum mag to the rifle.replaces m4 by default
& comes with two special variants

content.:-
-dark grey finished stock version
-two variants: seapunk & degraded nostalgia
-new weapon dat handling line