User blog comment:Argorrath/Treyarch confirms that there will be no more gun DLC/@comment-4277965-20130411081250/@comment-108.50.181.170-20130412202549

The AN-94 is not a "Upgraded" AK-47: You're thinking of the AK-10x series, the AKM, or even the AK-74. The AN-94 uses radically different designs, including a free-floating barrel and a uniquely designed two round burst fire system.