*THE VIDEO IS A REUPLOAD* because I forgot the RPK from the multiplayer component and also to fix an editing error I had at the M110. Special thanks go to @stevemc6010.
Phew, it took a while, but I managed it. Here's the video showcasing all weapons from Medal of Honor 2010, with both modes of play's weapons being included.
*NOTE*
Weapons that appear in SP are marked as so in paranthesis, same with MP.
===TIMESTAMPS===
=SIDEARMS=
0:00 Glock (SP)
ㄴ0:16 + Suppressor
0:30 P226R (SP)
ㄴ0:44 + Suppressor
0:59 M9 (SP)
1:16 M9 (MP)
1:36 Tariq (MP)
=SHOTGUNS=
1:57 870 MCS (SP)
2:20 870 MCS (MP)
3:10 TOZ194 (MP)
4:00 M1014 (SP)
=PERSONAL DEFENSE WEAPONS=
4:20 MP7A1 (SP)
ㄴ4:39 + Suppressor
4:57 MP7A1 (MP)
5:22 P90 (MP)
=ASSAULT RIFLES=
5:51 AK47 (SP)
ㄴ6:09 MD63
ㄴ6:29 AMD65
6:49 AK47 (MP)
7:24 AKS74u (SP)
7:41 AKS74u Carbine (MP)
8:04 M16A4 (MP)
8:36 M4A1 (SP)
ㄴ8:56 + Suppressor
ㄴ9:17 + M203 GL
9:48 M4A1 CQBR (SP)
10:07 M4A1 Carbine (MP)
10:32 F2000 (MP)
11:06 G3 (SP)
=DESIGNATED MARKSMAN RIFLES=
11:26 G3 (MP)
11:54 M14 EBR (SP)
ㄴ12:11 + Suppressor
12:29 M21 (MP)
12:53 SVD (SP)
13:13 SVD (MP)
13:37 M110 (SP)
ㄴ13:59 + Suppressor
=SNIPER RIFLES=
14:19 M24 (MP)
15:10 SV98 (MP)
=ANTIMATERIAL RIFLES=
15:59 M82 (SP)
=LIGHT MACHINE GUNS=
16:31 M249 (SP)
17:12 M249 (MP)
17:55 M60 (SP)
18:28 M60 (MP)
19:19 PKM (SP)
19:54 PKM (MP)
20:39 M240 (MP)
21:24 RPK (MP)
=LAUNCHERS=
22:11 AT4 (MP)
22:24 RPG7 (MP)
22:35 Outro