XM29 OICW

The XM29 OICW (Objective Individual Combat Weapon) was a series of prototypes of a new type of assault rifle that fired 20mm HE airbursting projectiles. The prototypes were developed as part of the Objective Individual Combat Weapon program in the 1990s. The term SABR (Selectable Assault Battle Rifle) was also used at certain points, but is less common.

In When the Cold Breeze Blows Away, this assault rifle leaves the prototype phase, and following successful final demonstrations and the completion of the OICW program, it is officially adopted by the Grand Alliance in 2020 and was distributed to the most elite soldiers within the Grand Alliance Joint Military during 2023.

In addition, a special XM29 variant that fires 7.62×39mm rounds and has a foregrip attached to it was used by Baroness Von Bon Bon during Operation Vendetta and also special variant that has an 40mm grenade launcher was used by Aya Brea.