Halo: The Master Chief Collection players have been celebrating the Halo franchises 20th anniversary with over 14 cosmetic items that they have been able to acquire with their collected season points without the need to invest money in order to get these items. Today, both the OGX SPNKR and the OGX Shotgun arrive in the game.
Source: N4G PC The OGX SPNKR and the OGX Shotgun arrive in Halo: Master Chief Collection