The XM29 OICW (Objective Individual Combat Weapon) was a series of prototypes of a new type of assault rifle that fired 20 mm HE airbursting projectiles. The prototypes were developed as part of the Objective Individual Combat Weapon program in the 1990s.

These projects centered on using a programmable 20 mm airburst munition-firing rifle by itself or with other projectile-based weapons attached. The 20 mm launcher was analyzed in various configurations, including a launcher by itself, with a 5.56 mm weapon (based on the HK G36), or with a MP7 PDW.

May 12, 2021 · Page details technical specifications, development, and operational history of the Heckler & Koch HK XM29 OICW Prototype Combination Assault Rifle / Weapons System including pictures.

XM-29 OICW ammunition – HE (High Explosive) ant TP (target practice) rounds for 20mm unit and KE (Kinetic Energy) 5.56mm NATO round. Caliber : 5.56 mm NATO (KE) and 20x85mm (HE) Action: Gas operated, rotating bolt (KE), unknown (HE)

OICW entries from AAI and Heckler & Koch/ATK both utilised advanced laser range finding optical equipment to enable soldiers to engage targets effectively at longer ranges with the 20mm grenade launcher.

The XM29 OICW or SABR ("Selectable Assault Battle Rifle") was an attempt to produce a next-generation hybrid firearm which would combine a "smart" airbursting grenade launcher (a bullpup design based loosely on the Heckler & Koch CAWS shotgun) with a 5.56mm rifle, with the aim of at least partially replacing the M16 rifle, Colt M4 carbine, and ...

Jul 7, 2011 · The XM29's unique, full-solution target acquisition/fire control system combined with precision 20mm air bursting ammunition would provide a significant overmatch capability against a variety of...

The XM29 Objective Individual Combat Weapon was a weapons system that attempted to combine a traditional assault rifle platform with an magazine-fed 20mm airburst grenade launcher. The OICW Program, run by the US Army, began in …

The 20mm grenade launcher is fed from a straight, detachable 5-round magazine. The system as a whole is designed to be disassembled into two separate elements if necessary, allowing U.S. logistics personnel to maintain 5.56mm rifle components unchanged.

Feb 9, 2011 · The XM-29 OICW Assault Rifle 20mm round explodes over the target, showering the target (s) with 1d6+2 pieces of shrapnel. Point-detonations are also possible, with 1d6 pieces of shrapnel being produced, or attacking fortifications with a DPW of 6.