Quick showcase video shows all weapons available in Battlefield 4. All DLCs included.
CC are available.

SIDEARMS
00:00 .44 Magnum
00:08 SW40 (Naval Strike)
00:15 MP412 REX
00:23 Unica 6 (Dragon's Teeth)
00:31 P226
00:41 M9
00:52 QZS92
01:02 MP443
01:13 FN57
01:24 CZ75
01:34 M1911
01:44 Compact 45
01:55 DEagle 44 (Dragon's Teeth)
02:12 93R
02:23 G18
02:33 Mare's Leg (Weapons Crate)
SHOTGUNS
02:46 Shorty 12G
03:07 870MCS
03:17 SPAS12
03:27 UTS15
03:39 Hawk 12G
03:49 QBS09
03:59 M1014
04:07 Saiga 12K
04:17 DBV12
04:28 DAO12 (Second Assault)
04:41 USAS12 (Battle Pick Up)
PERSONAL DEFENSE WEAPONS
04:52 MX4
05:06 PP2000
05:21 UMP45
05:34 CBJMS
05:49 PDWR
06:03 CZ3A1
06:16 JS2
06:30 P90
06:45 UMP9
06:58 AS VAL (Second Assault)
07:06 MP7 (China Rising)
07:19 SR2 (Naval Strike)
07:34 MPX (Dragon's Teeth)
07:47 Groza4 (Weapons Crate)
CARBINES
07:58 AK 5C
08:10 ACWR
08:23 SG553
08:36 AKU12
08:50 A91
09:05 ACE 52 CQB
09:20 G36C
09:33 M4
09:48 ACE 51 CQB
10:02 Type95B1
10:18 MTAR21 (China Rising)
10:31 Groza1 (Weapons Crate)
ASSAULT RIFLES
10:41 AK12
10:56 SCARH
11:08 M416
11:21 SAR21
11:35 AEK971
11:50 FAMAS
12:04 AUG A3
12:18 M16A4
12:33 CZ805
12:48 QBZ951
13:03 ACE 23
13:18 F2000 (Second Assault)
13:33 L85A2 (China Rising)
13:48 AR160 (Naval Strike)
14:01 Bulldog (Dragon's Teeth)
14:14 AN94 (Weapons Crate)
DESIGNATED MARKSMAN RIFLES
14:36 RFB
14:51 Mk11 Mod 0
15:04 SKS
15:20 SVD12
15:35 QBU88
15:51 M39 EMR
16:06 ACE 53 SV
16:21 SCARH SV
LIGHT MACHINE GUNS
16:34 U100 Mk5
16:51 Type 88 LMG
17:16 LSAT
17:37 PKP Pecheneg
17:58 QBB951
18:16 M240B
18:38 MG4
19:00 M249
19:23 RPK12
19:40 M60E4 (Second Assault) • M60ULT (Battle Pick Up) (Community Operations)
20:11 RPK (China Rising)
20:28 AWS (Naval Strike)
20:44 L86A2 (Weapons Crate)
SNIPER RIFLES
21:00 CSLR4 • M40A5 • Scout Elite • SV98 • JNG90 • 338Recon • M98B • SRR61 • FYJS • GOL Magnum (Second Assault) • L115 (China Rising) • CS5 (Dragon's Teeth) • SR338 (Naval Strike)
25:56 AMR2 (Battle Pick Up) • M82A3 (Battle Pick Up) • Rorsch Mk1 (Battle Pick Up) (Final Stand)
UNDERBARREL ATTACHMENTS
26:43 M26 MASS • M320 • GP30
LAUNCHERS
28:37 XM25 • M32 MGL (Battle Pick Up) • MBT LAW • RPG7V2 • Mk153 SMAW • FGM148 Javelin • FGM172 SRAW • FIM92 Stinger • SA18 Igla • HVMII (Battle Pick Up) • M136 CS (Battle Pick Up) • (Final Stand/Community Operations)
MELEE WEAPONS
30:30 Bayonet • ACB90 • Shank • Machete • Bowie • Carbon Fiber • Scout • Survival • Improvised • Trench • Boot (Second Assault) • SEAL (Second Assault) • Dive (Naval Stike) • Tactical (Naval Strike) • BJ2 (Naval Strike) • Precision (Naval Strike) • Neck • Tanto (Final Stand) • Weaver • C100 • Icicle (Battle Pick Up) (Final Stand)
MOUNTED WEAPONS
31:15 M2 Browning • Kord • Type 85 HMG • 7.62 Minigun • Mk19 • M224 Mortar • M220 TOW • HJ8 • 9M133 Kornet • Schipunov 42 (Final Stand) • Old Canon (Naval Strike)