Ye Qingmei's box contained a Barrett sniper rifle.
Ye Qingmei's box contained a Barrett M82A1 sniper rifle.
Ye Qingmei's box contained a Barrett M82A1 sniper rifle.
Ye Qingmei's box contained a heavy sniper rifle. It might be a Barrett M82A1 or a Barrett sniper rifle.
Ye Qingmei's box contained a Barrett M82A1 sniper rifle.
Ye Qingmei's box contained a Barrett sniper rifle.
Ye Qingmei's box contained a Barrett M82A1 sniper rifle.
Ye Qingmei's box contained a Barrett M82A1 sniper rifle.
Ye Qingmei's box contained a Barrett sniper rifle (or an M82A1 heavy sniper rifle).
Ye Qingmei's box contained a Barrett M82A1 sniper rifle.
Ye Qingmei's suitcase contained a sniper rifle.