From the MP1st forum (http://mp1st.com/2013/11/14/battlefield-4-footage-china-rising-dlc-weapons-gadgets-arises-new-server-update-incoming/)
Looks awesome. SQDM and hardcore is probably best to get them.
https://youtube.googleapis.com/v/Ox3g_8WF67s
https://youtube.googleapis.com/v/qvfAOHH7Sbk
The new weapons showcased in the videos are none other than the L96A1 sniper rifle, MTAR-21 carbine, MP7 personal defense weapon, RPK-74M light machine gun, and the L85A2 assault rifle, while two new gadgets; the SUAV and the UCAV are also shown off.
Update
Reddit user Velfi (http://www.reddit.com/user/Velfi) has listed the Assignments you much complete in order to achieve the weapons listed above, as well as one new, most likely dog tag-related assignment:
ASSIGNMENT: OPEN FIRE - L85A2
Assault ribbon x3
Get a kill with a pistol in a round
Get a kill with 40mm grenade in a round
Get a kill with the defibrillator in a round
ASSIGNMENT: NEED ONLY ONE - L96A1
Sniper ribbon x3
Get a kill with a shotgun in a round
Get a kill with a DMR in a round
Get a kill with C4 in a round
ASSIGNMENT: MULTITALENTED - MTAR-21
Get a kill with an AR
Get a kill with a LMG
Get a kill with a Sniper Rifle
Get a kill with kill with a grenade
ASSIGNMENT: POWDER KEG - RPK-74M
LMG ribbon 3x
Get a kill with the M224 Mortar
ASSIGNMENT: MAKE A DENT - MP7
Destroy an air vehicle with portable AA
Anti Vehicle Ribbon x3
ALSO, TWO NEW GADGETS:
SUAV, Flying laser designator. Must be controlled (Recon)
UCAV, Flying Airburst grenade. Must be controlled (Support, Long refil from Ammobox)
New Assignments
MIDDLE KING
10 Hours China Rising
???
1 Kill with SUAV
Earlier, we also learned about possible map names for China Rising?s four new multiplayer maps, which you can check out here (http://mp1st.com/2013/11/12/rumor-leaked-battlefield-4-china-rising-dlc-map-list-spotted-includes-5-new-weapons/).