some of these have been posted but i found some new ones hope you like!!
*i dont take credit for finding this i searched web for info and thought i would post*

so some confirmed wepons:

Call of Duty: Black Ops Weapons List

There will be plenty more advanced weapons then already shown in the Black Ops Trailer. You can see a rocket launcher and crossbow with explosive arrows and the possibly flying of an Apache Helicopter and a SR-71 Blackbird.

AK variants
AR15/M16 variants
AUG
M202.
SPAS-12
MP5K
RPK
MAC-10
M1911
We have to wait for E3 for more details on weapons, gameplay and storyline to surface.

(Will be updated whenever more details are known)


Assault Rifles

AR-15
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AR-15 rifles are highly configurable and customizable, so they are commonly fitted with several accessories.



AK-47
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The AK-47 is a gas operated 7.62mm assault rifle, which was first developed in the Soviet Union.



AUG

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The AUG is an bullpup 5.56mm gas-operated assault rifle, designed in the 1970s.


Sub-Machine Guns

MP5K
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The MP5K is a 9mm submachine gun developed in 1976 for close quarter battles.

Light-Machine Guns

RPK
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The RPK is a Soviet light machine gun developed in the late 1950s.

Shotguns

SPAS-12
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The SPAS-12 is a dual-mode combat shotgun, which can be used as a semi-automatic or pump-action firearm.

Machine Pistols

MAC-10
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he MAC-10 is a highly compact machine pistol. The barrel is threaded to accept a silencer.

Handguns

M1911
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The M1911 is a single-action, semi-automatic handgun which uses the .45 ACP cartridge.



Launchers

M202
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The M202 is a multishot rocket launcher, which features four tubes that can load incendiary rockets.

Special/Miscellaneous

Crossbow
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Crossbows are silent killers. With a crossbow, the user can fire an arrow with more force than with a normal bow, thus making it extremely lethal.

SOME EXTRA INFO ON GAME:
Black Ops is scheduled for release in November 2010 and sources indicate the game developed by Treyarch will be set in history, between World War II and present day. It is also hinted that some of the missions will take gamers to Cuba and South America which hints at a Cold War and Vietnam based game.

In true Modern Warfare style, gamers will reportedly get a chance to play as a member of the Special Air Service (SAS) in which players will be involved in close combat during a mission in the Iranian embassy during the 1980’s.

The game is also hinted to feature the popular “zombie mode” where players will get to gun down forces of zombies which was made popular in Call of Duty: World at War.

For South African PC gamers and worldwide PC gamers alike, CoD7 is set to feature dedicated servers. Gamers across the world should put their hands together for Activision who seem to be weeding out the problems with previous titles by re-adding dedicated servers to the franchise.


"... With a scheduled release date of November 2010 the game is still in full development but undisclosed sources over at Activision have stated that "Call of Duty 7 will be set in recent history, between WWII and present day". Besides this information the sources have also confirmed that some missions will take us to Cuba and South America, hinting again in the direction of a Cold War / Vietnam based game.

Also revealed was that in certain missions the players are able to play as a member of SAS (the Special Air Service), the principle special forces unit of the British Army. One of these SAS missions pitches you in close combat during a mission in the Iranian embassy in London during the 1980's.

It has also been confirmed that Call of Duty 7: Black Ops will feature the popular zombie mode, in which players get to shoot down hordes of zombies, a feature that could not be seen in the Infinity Ward produced Call of Duty: Modern Warfare 2.

And last but not least, dedicated servers will also be part of the new Call of Duty game, much to the delight of PC gamers across the world. After Activision fired Vince Zampella and Jason West from Infinity Ward, it seems like they are taking yet another step back from the direction they had taken with Modern Warfare 2 by re-adding dedicated servers."