User blog comment:X-Alt/Aftermath no "new"weapons/@comment-28584497-20121019123840/@comment-4431589-20121019192542

The crossbow in the trailer looks like the M417 (or HK417) retrofitted with (how should I put this) as DICE quotes in the Battlefield Blog post about Aftermath:

"a piece of wire for the string (maybe found inside a broken down car), some scrap metal for the bow mechanic and a scope."