heavy fire

• barrageSustained, overwhelming attack
• gunfireDischarge of weapons
• bombardmentSustained projectile assault
• crossfireGunfire from several angles
• onslaughtFierce, overwhelming assault

bullets · shells · suppression · artillery · combat · firefight · volley · hail · intense · relentless · incoming · assault · strafe · covering · machine gun · tracer · muzzle · smoke