The most common M777 shells are high-explosive rounds that have a blast radius of approximately 70 meters. That makes the conversation about .... The M777 may be combined with the M982 Excalibur GPS-guided munition, which allows accurate fire at a range of up to 40 km (25 mi).

This .... Maximum firing range, Conventional: 22.4km (14 mi), RAP: 30km (18.6 mi), RAP ... The M198 was replaced in US and Australian service by the M777 howitzer..

Now, as a note, the maximum range of the M777 of ~25 miles are not due to its normal artillery shells fired, but due to the use of the GPS " .... The M777 fires a range of 155mm NATO artillery shells, including the M982 Excalibur GPS guided shell. The maximum rate of fire is 4 rpm, with sustained fire ....