New details have emerged!

Call of Duty: Modern Warfare 2 is the next entry within the iconic series, and with the game now being released worldwide, fans are amped for Season 1.
With the first major season coming, Infinity Ward have now confirmed the weapons coming to the game.
Here's how to unlock the M13B!
Modern Warfare 2 Season 1 - How To Unlock The M13B Assault Rifle
This weapon was previously within the COD series back in MW 2019, and since, players have been missing the laser accuracy that this weapon has.
Now, the weapon will be useable during Season 1, but it won't be right away, as Infinity Ward have noted the following.
"Introducing the Victus XMR and the BAS-P SMG at launch and the Chimera and M13B Assault Rifles during the season:"
In terms of unlocking this weapon, we're going to have to wait and see what kinda of challenge they put into the game, which we can assume will come during the mid-season update.
However they did have this to say further down regarding the M13B.
How to unlock: Store Bundle or Weapon Unlock Challenge
In the meantime, be sure to get situated with everything that's coming to Modern Warfare Season 1 here, and be sure to let us know what you're most excited for!