The Call of Duty Wikia has a complete list of the Call of Duty Black Ops weapons from the related link
You need to unlock the weapons.
You get to 14th prestige
HK21 upgraded with a reflex sight
You Switch weapons faster.
yess
yah
ak-74u with rapid fire
what r the wonder weapons like ray gun n thunder gun in black ops 2 treyarch
No, it will not be featured in Call of Duty Black Ops.
call of duty black ops
Call of Duty Black-Ops Because it is awesome and you have a better choice of weapons then GTA