This was a commercially-published supplement. It's currently available on DriveThruRPG. It contains stats for the following weapons (which will not be posted on this wiki):
Ag-42 and Ag-42B
AVS-36
Beretta BM5, BM59 Alpini and BM59 Mk. IV
CETME Model B
FG 42
FN 49
FN FAL, FAL Para, FALO, L1A1 SLR
G41(M), G41(W)
G43
H&K G3A3, G3A4, G3KA4
Hakim and Rashid
Howa Type 64
M14
MAS-49
SiG SG 510, Stgw 57
SiG SG 542
SVT-38, SVT-40, AVT-40