If you want to gain strong combat effectiveness in Operation Delta, you can only obtain some powerful equipment and other methods through your own operations. If you want to know the comprehensive battlefield weapon selection suggestions for Operation Delta, and use Operation Delta to improve your combat effectiveness and make yourself stronger, then follow the editor of Source Code Network to take a look at this guide. I believe it can give you the answer. .
AK-12 assault rifle-5116089206757705281-Comprehensive battlefield (medium and near)
QBZ95-1 assault rifle-5116089206757705289-Comprehensive battlefield (middle)
PTR-32 assault rifle-5116089206757705282-Comprehensive battlefield (medium and near)
AS Val Assault Rifle - 5116089206757705301 - Total Battlefield (Near)
P90 submachine gun-5116089206757705303-Comprehensive battlefield (near)
SMG-45 submachine gun-5116089206757705297-Comprehensive battlefield (near) not finely calibrated
Bison submachine gun-5116089206757705717-Full battlefield (near) not finely calibrated
MP5 submachine gun-5116089206757705735-Comprehensive battlefield (near) not finely calibrated
Vector submachine gun-5116089206757705737-Full battlefield (near) large drum low operation
SCAR-H battle rifle-5116089206757705718-all-round battlefield (medium and near)
SG552 assault rifle-5116089206757705093-all-round battlefield (medium and near)
M249 light machine gun-5116089206757705721-all-round battlefield (medium and near)
M7 battle rifle-5116089206757707211-all-round battlefield (medium and near)
PKM general machine gun-5116089206757705728-Comprehensive battlefield (medium) not finely calibrated
SR-25 Marksman Rifle-5116089206757705730-Total Battlefield (Far)
Mini-14 Marksman Rifle-5116089206757705733-Comprehensive battlefield (far)