Going straight to the point. I'm not going to transfer over guns that already got added to the game, even if the stats were implemented differently. I'm also going to mess up carrying over the stats others were nice enough to create but I'll eventually get it all. As for anyone new you can suggest your own weapons and I'll add them to the list to keep the developers from having to scroll though pages before getting to you. Unless you add something so inappropriate I can't take you seriously odds are I'm putting your suggestion on the list.
No stats ATM because I'm not rushing this due there still being bigger priorities for Little Orbit, and I'm still trying to figure out how to display all the information without clutter and making it an eyesore.
Assault Rifles
AN-94
TAR-21
XM8
LR-300
FN F2000
DA21
HS Produkt VHS 2
OICW
STG 44/42
MK-20
HCAR
BREN-805
Submachine Guns
AKS74u
OTs-14 Groza
PP2000
Scorpion EVO 3
Shotguns
Double Barrel
Remington M870
Saiga 12
USAS 12
Chiappa Triple Threat
1216 RMS
Rifles
MK14 EBR
QBZ Type 97
Ruger 10/22
Marlin 30-30 Lever Action
G3
M1 Garand
M16A3
Compound Bow / CrossBow
Sniper Rifles
M-200
Winchester 1886 .45-70
SVD Dragunov
SCoped Springfield
M98b
Light Machine Guns
MK48 MOD 0
MG-42
G36C Drum
M249
BAR
MG36
Explosives
RPG
SMAW
M79 Grenade Launcher
Javlin
Grenades
Throwing Knife
Tear Gas
Mustard Gas
Flashbang
EMP Grenade
Claymore
Nail Bomb
Smart Phone
Secondary Guns
MP9
SA-61 Skorpion
USP LAM
Suppressed Desert Eagle
Suppressed MP7
Suppressed 1911
Glock 18
HK45
Chiappa Rhino
Serbu Super SHorty
Robocop's Pistol
Less Than Lethal
Stabba - SESP-11
STabba - SDSR-24
Taser Gun X25
Special / Event / Pick-up / Misc.
M134
Flamethrower