Complex sentence: The basic infantry weapon of the British Army is the L85A2 assault rifle, sometimes equipped with an L17A2 underbarrel grenade launcher and with several variants such as the L86A2, the Light Support Weapon (LSW) and the L22A2 carbine variant, issued to tank crews.
Split into simpler sentences: The basic infantry weapon of the British Army is the L85A2 assault rifle, sometimes equipped with an L17A2 underbarrel grenade launcher. The rifle has several variants, such as the L86A2, the Light Support Weapon (LSW), and the L22A2 carbine issued to tank crews.