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| {{Infobox weapon
| | #REDIRECT [[ARDE Under Barrel Grenade Launcher]] |
| |name=Under Barrel Grenade Launcher, 40mm
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| |image=File:40MM UBGL.jpg
| | {{Redirect category shell| |
| |caption= 40MM UBGL by [[Armament Research and Development Establishment|ARDE]]
| | {{R from move}} |
| |origin= [[India]]
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| |type= [[Grenade launcher]]
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| <!-- Type selection -->
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| |is_ranged= yes
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| <!-- Service history -->
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| |service= 2010–present<ref name=bsword>{{cite web|archiveurl=https://web.archive.org/web/20100922175112/http://www.drdo.gov.in/drdo/pub/nl/2010/august2010.pdf|url=http://drdo.gov.in/drdo/pub/nl/2010/august2010.pdf|title=Bulk Production Clearance for 40mm UBGL|publisher=DRDO|accessdate=2013-11-15|archivedate=2010-09-22|date=August 2010|page=2}}</ref>
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| |used_by=[[Indian Army]]
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| |wars=
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| <!-- Production history -->
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| |designer= [[Armament Research and Development Establishment]]<ref name="bsword"/>
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| |design_date= 2010
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| |manufacturer= [[Ordnance Factory Tiruchirappalli]]
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| |unit_cost=
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| |production_date=
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| |number=10,000 (September 2019)<ref name="DRDO">{{Cite web|url=https://www.drdo.gov.in/40mm-under-barrel-grenade-launcher-ubgl|title=40mm Under Barrel Grenade Launcher (UBGL) | Defence Research and Development Organisation - DRDO, Ministry of Defence, Government of India}}</ref>
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| |variants=
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| <!-- General specifications -->
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| |weight= 1.5 kg (unloaded)
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| |length= 450mm
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| |part_length= 350mm
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| |width=
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| |height=
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| |crew=
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| <!-- Ranged weapon specifications -->
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| |cartridge= [[40 mm grenade#40x46mm|40x46mm]]
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| |caliber=
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| |action= Single shot, Pump Action
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| |rate= 5 to 7 round/min
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| |velocity= 250 ft/s (76 m/s)
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| |range= 28-400m
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| |max_range= 400m
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| |feed=Breech Loading | |
| |sights= Various sights developed by ARDE for the launcher:
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| *Post type foresights
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| *Ladder sight with 50m steps
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| *Illuminated bubble sight for indirect firing
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| *Tritium illuminated sight for night firing.<ref name=ofb>{{cite web|title=Under Barrel Grenade Launcher 40 mm |url=http://ofbindia.nic.in/products/data/weapons/wmc/8.htm |publisher=[[Ordnance Factories Board]] |accessdate=31 August 2012 |url-status=dead |archiveurl=https://web.archive.org/web/20141211041651/http://ofbindia.nic.in/products/data/weapons/wmc/8.htm |archivedate=11 December 2014 }}</ref>
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| <!-- Artillery specifications -->
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| |breech=
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| |recoil=
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| |carriage=
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| |elevation=
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| |traverse=
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| <!-- Bladed weapon specifications -->
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| |blade_type=
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| |hilt_type=
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| |sheath_type=
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| |head_type=
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| |haft_type=
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| <!-- Explosive specifications -->
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| |diameter=
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| |filling=
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| |filling_weight=
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| |detonation=
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| |yield=
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| <!-- Vehicle specifications -->
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| |armour=
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| |primary_armament=
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| |secondary_armament=
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| |engine=
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| |engine_power=
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| |pw_ratio=
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| |suspension=
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| |speed=
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| }} | | }} |
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| The '''40 mm Under Barrel Grenade Launcher''',{{efn|No official name is given to the grenade launcher as of March 2020.<ref name="DEFEXPO2020">{{Cite web|url=https://www.thefirearmblog.com/blog/2020/02/25/defexpo-2020-indian-ubgl-under-barrel-grenade-launcher-for-insas/|title = [DEFEXPO 2020] Indian UBGL (Under Barrel Grenade Launcher) for INSAS -|date = 25 February 2020}}</ref>}} is a single shot [[grenade launcher]] developed by [[Armament Research and Development Establishment|ARDE]] and [[Ordnance Factory Tiruchirappalli]]<ref name="bsword"/> for use with the [[INSAS rifle|INSAS]] and [[AK-47]] rifles used by the [[Indian Army]]. Stand alone versions of the grenade launcher exist.<ref name="ofb"/>
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| As of September 2019, around 10,000 UBGLs were manufactured.<ref name="DRDO"/>
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| ==History==
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| In 2020, its ammunition's production began in [[India]] (it was earlier imported), in Ammunition Factory [[Khadki]], [[Pune]] under [[Atmanirbhar Bharat]]. The first ammunition consignment was sent to the [[Border Security Force]].<ref>{{Cite web|title=40 mm UBGL (UNDER BARREL GRENADE LAUNCHER) AMMUNITION BY AFK, PUNE|url=http://pib.gov.in/Pressreleaseshare.aspx?PRID=1645370|access-date=2020-11-19|website=pib.gov.in}}</ref>
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| ==Design==
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| The 40mm UBGL can be attached to Indian INSAS and AK-47 rifles, and has a 3-point attachment for rigidity. The UBGL has an in-built safety to prevent accidental firing. The trigger system is located on the side of the barrel, allowing the soldier to fire both the rifle and grenade launcher without having to change his firing posture.<ref name="ofb"/> Its maximum range is 400 metres.<ref>{{cite web|url=http://www.asianmilitaryreview.com/infantry-support-weapons/ |title=INFANTRY SUPPORT WEAPONS - Asian Military Review |accessdate=2015-10-05 |url-status=dead |archiveurl=https://web.archive.org/web/20151006104047/http://www.asianmilitaryreview.com/infantry-support-weapons/ |archivedate=2015-10-06 }}</ref>
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| The weapon uses a simple ladder sight mechanism, similar to the [[GP-25]]. It also has tritium illuminated sights for night firing. The ammunition fired by the UBGL is similar to the [[Milkor MGL]] used by the Indian Army, allowing for standardisation.<ref name="ofb"/>
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| The UBGL's can be equipped with Air Burst rounds for enhanced lethality.These rounds uses programmable electronic fuse for detonation and has self destructive capabilities in case of missing the target.<ref>{{Cite web|last=DRDO,Technology Focus|first=Vol 29, Issue 5|date=October 2021|title=Small arms and ammunition|url=https://www.drdo.gov.in/sites/default/files/technology-focus-documrnt/TF_Oct_2021.pdf|url-status=live|website=[[DRDO]]|archive-url=https://web.archive.org/web/20211009034015/https://www.drdo.gov.in/sites/default/files/technology-focus-documrnt/TF_Oct_2021.pdf |archive-date=9 October 2021 }}</ref>
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| To install the UBGL, the handguard of an INSAS/AK-type rifle needs to be removed first before the device is installed.<ref name="DEFEXPO2020"/>
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| ==References==
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| {{Reflist}}
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| ==Notes==
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| {{notelist}}
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| ==External links==
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| * {{webarchive |url=https://web.archive.org/web/20200223140819/https://ofb.gov.in/unit/pages/OFT/40mm-ubgl |date=February 23, 2020|title=40mm Under Barrel Grenade Launcher}}
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| {{Ordnance Factories Board}}
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| {{Use dmy dates|date=June 2017}}
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| [[Category:Firearms of India]]
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| [[Category:40×46mm grenade launchers]]
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| [[Category:Defence Research and Development Organisation]]
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