Sakr rockets: The only ground-launched cluster bomb in Syria, the Egyptian-made Sakr scatters as many as 100 explosive submunitions across an extremely wide area.
Type-63 rocket: The Type-63, made in China, is a smaller system than the Grad. Nevertheless, AOAV estimates that there were an average of 12 civilian deaths from every incident of rocket fire during the first two years of the war.
D-30: The fastest of any towed artillery gun in Syria, the D-30 can fires 7-8 shells per minute. The five Turkish civilians killed in October 2010 were killed by this weapon
M240 mortar bomb: The biggest mortar in the world — it weighs as as much as a piano — are fired form Russian-made systems. It has been used extensively in the bombardment of Homs since February 2012.
M-1943/M43: This heavy mortar is one of the most commonly-used explosive weapons in the conflict. AOAV estimates that more than 94% of the time they are being fired in areas with a lot of civilians.
Luna-M/Frog-7: This ballistic rocket weighs over 5,500 pounds and have an impact area of two square miles. These rockets can wipe out whole communities.
T-72: These Russian-made tanks are estimated by AOAV to cause an average of 16 civilian casualties with each shell fired into Syria’s towns and cities.
2S3 Akatsiya: This long range artillery shell can fire shells up to 11.5 miles. It has been used in the bombing of bakeries by Syrian forces.
S-25 OFM rocket: This 840-lb rocket is almost half explosives, making it the highest explosive-to-total ratio of any weapon in the ‘Dirty Dozen.’
And more: http://www.businessinsider.com/conventional-weapons-used-in-syria-war-2013-9#