Does the Challenger 2 have a coaxial machine gun and if so, where is it located on the tank? - Quora
British Army - Improvements to a tried and tested design ensure the British tank continues to play a decisive role on the battlefield. See how it evolved http://bit.ly/tank-100 Image: Soldier magazine
Red Cap - Internet Movie Firearms Database - Guns in Movies, TV and Video Games
EX-34 Chain gun - Modern Firearms
L94A1 chain gun - YouTube
L94A1 (7.62 mm) - War Thunder Wiki
Challenger 2: Most Up-to-Date Encyclopedia, News & Reviews
Why has no military considered using an M134 or similar weapon as a coaxial MG on an MBT? - Quora
EX34 Chain Gun | Gun Wiki | Fandom
L94A1 chain gun - Wikidata
Chain gun - Wikipedia
Warrior Armoured Vehicles (British Army) - UK Defence Forum