XM25

The XM25, is an air burst grenade launcher developed by Heckler & Koch and Alliant Techsystems. It was fielded to soldiers serving in the War in Afghanistan and is entering full-rate procurement. It fires 25 mm grenades that are set to explode in mid-air at or near the target. A laser rangefinder in the weapon is used to determine the distance to the target. The user can manually adjust the detonating distance by up to 10 feet (3.048 m) shorter or longer.

Battlefield Play4Free
In Battlefield Play4Free the XM25 (refered to as Air Burst Grenade in-game) is a new free weapon for the Engineer kit. It is acquired via Tier 3 Training customization. 10 points must be spent in the Equipment training section to unlock this. The XM25 comes with 4 grenades in the magazine, and 4 grenades spare. Upgrading increases the amount of spare magazines to 4.

The XM25 does 67 damage for direct hits, and 34 damage if the explosion hits the target. The Airburst Grenade booster allows the XM25 to kill targets in one direct hit.

Battlefield 4
"Fires 25mm grenades that can explode mid-flight creating a devastating burst taking out lighter targets behind cover. First aim down the sights at the cover, then lift you sights and fire over the cover, the grenade will explode on the other side. (sic)"

- Customization menu description (alpha gameplay)

The XM25 makes another appearance in Battlefield 4 as a gadget used by the Support kit. The weapon has a 4+1 ammunition capacity. It features a unique scope, that being similar to the IRNV scope, highlighting hostile infantry and vehicles.