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Assault rifle with bullpup grenade launcher module
XM29 OICW
XM29 – Later Vintage Mockup
Type
Assault rifle with bullpup grenade launcher module
Place of origin
United States
Germany
Production history
Designer
Heckler & Koch, Alliant Techsystems
Manufacturer
Heckler & Koch, Alliant Techsystems
Produced
1996–2004 (prototypes only)
Variants
XM8 and XM25
Specifications
Mass
5.4 kg empty and 6.81 kg loaded (planned)[1]
6.8 kg unloaded[2] and 8.17 kg loaded (actual)[1]
Length
890 mm (35 in)[2]
Barrel length
KE Module: 250 mm (9.8 in)[3]
HE Module: 460 mm (18 in)
[3]
Cartridge
KE Module: 5.56×45mm NATO
HE Module: 20×28mm grenade
Caliber
KE Module: 5.56 mm
HE Module: 20 mm
Action
Gas-operated, rotating bolt
Rate of fire
800-850 rounds/min (KE Module) [2][1]
10 rounds/min (HE Module)[1]
Muzzle velocity
750 m/s (2,500 ft/s) (KE)
180 m/s (590 ft/s) (HE)
Effective firing range
~600-800m (Max ~3,000m) HE: 1,000m (Max: ~2,000m)
Feed system
KE Module: Various STANAG magazines
HE Module: 5-round detachable box magazine
Sights
Integrated 6× thermal vision, night vision optics with computer-assisted sighting and laser rangefinder
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. The term SABR (Selectable Assault Battle Rifle) was also used at certain points, but is less common.
^ abcdGander, Terry J. Jane's Infantry Weapons 2002–2003. Jane's Information Group. 2002
^ abc"Heckler & Koch HK XM29 OICW". Military Factory (August 17, 2017).
^ ab- "XM29 OICW". Modern Firearms (September 19, 2018).
The XM29OICW (Objective Individual Combat Weapon) was a series of prototypes of a new type of assault rifle that fired 20 mm HE airbursting projectiles...
over-under configuration (XM29OICW) Some weapon programs involved with, stemming from, or using technology from the OICW project include: XM1018 (25×40mm...
of the OCSW round was chosen for the XM25, which is derived from the XM29OICW. There are two different versions of the 25mm grenade: the 25×40mm low-velocity...
the hand-held XM25 Individual Airburst Weapon System (derived from the XM29OICW). Unlike traditional grenades, such as the 40 mm grenade, smart grenades...
airburst grenade launcher with programmable ammunition derived from the XM29OICW. It was fielded to soldiers serving in the War in Afghanistan in 2010...
often with the rifle mounted underneath the launcher, most notably the XM29OICW, but so far the only such weapon to reach full production is the S&T Daewoo...
figures suggest the completed weapon would have been heavier than the XM29OICW. Figures for the tested variant are somewhat lighter, with the DSTO Scientific...
Arms Master Plan) program, it had the same laser targeting system as the XM29OICW, but was intended to supplement the 40 mm Mk 19 grenade launcher and the...
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replacement for the M4. Two designs were produced, both by Heckler & Koch: the XM29OICW, which incorporated a smart grenade launcher, but was canceled in 2004...
South Africa M29 (Durban), a Metropolitan Route in Durban, South Africa XM29OICW, a modern prototype rifle that fired 27 mm HE air bursting projectiles...
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program—the OICW program. The ability to detonate an explosive in the air at range provided a huge increase in accuracy, but the resultant XM29 proved too...
ex-French Foreign Legion soldiers turned mercenaries armed with modified XM29OICW and FN F2000 bullpup assault rifles while being aided by customized digital...
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