More "Realistic" Ammo Counts and Magazines

Assault Rifles:
Clarion (Famas) 30 round to 20 round, ammo count 240 to 250
Eagle Heavy (SCAR-H) 30 round to 20 round, ammo count 150 to 160
Gecko 7.62 (Galil) 30 round to 35 round
M308 (M14) 10 round to 20 round, ammo count 80 to 100

Light Machine Guns:
Brenner-21 (HK21E) 150 round to 100 round (these technically are no longer manufactured, but I figured the PAYDAY gang could get them)
Buzzsaw 42 (MG42) 150 round to 50 round
KSP 58 (M240B) 200 round to 100 round
RPK 100 round to 75 round
M60 200 round to 80 round

Submachine Guns:
Heather (SR-2M Veresk) 32 round to 30 round, ammo count 192 to 210 (Akimbo 64 round to 60 round, total ammo 320 to 360)
Jackal (UMP45) 30 round to 25 round, total ammo 150 to 175 (Akimbo 60 round to 50 round, total ammo 240 to 250)
Kross Vertex (Kriss Vector) 30 round to 33 round, total ammo 210 to 231 (Akimbo 60 round to 66 round, total ammo 300 to 330)
Mark 10 (Mac-10) 40 round to 32 round, total ammo 210 to 224 (Akimbo 80 round to 64 round, total ammo 320 to 384)
Micro Uzi 32 round to 20 round, total ammo 224 to 240 (Akimbo 64 round to 40 round, total ammo 384 to 400)
MP40 40 round to 32 round (Akimbo 80 round to 64 round, total ammo 240 to 256)
Para (K23B) 20 round to 30 round, total ammo 200 to 210 (Akimbo 50 round to 60 round, total ammo 240 to 300)
SpecOps (MP7) 20 round to 30 round, total ammo 200 to 210 (Akimbo 40 round to 60 round, total ammo 280 to 300)
Swedish K (M/45B) 40 round to 36 round, total ammo 160 to 180 (Akimbo 80 round to 72 round, total ammo 320 to 360)
Signature (SIG-Sauer MPX) 20 round to 30 round, total ammo 200 to 210 (Akimbo 40 round to 60 round, total ammo 280 to 300)