i too, want people to be hit their ricochets

code/modules/projectiles/ammunition/_firing.dm

@@ -42,6 +42,7 @@
 			BB.ricochet_auto_aim_range = max(BB.ricochet_auto_aim_range, 3)
 			BB.ricochet_auto_aim_angle = max(BB.ricochet_auto_aim_angle, 360) //it can turn full circle and shoot you in the face because our aim? is insane.
 			BB.ricochet_decay_chance = 0
+			BB.ricochet_decay_damage = max(BB.ricochet_decay_damage, 0.1)
 			BB.ricochet_incidence_leeway = 0
 
 	if(reagents && BB.reagents)

code/modules/projectiles/projectile.dm

@@ -659,7 +659,8 @@
 	if(!ignore_source_check && firer)
 		var/mob/M = firer
 		if((target == firer) || ((target == firer.loc) && ismecha(firer.loc)) || (target in firer.buckled_mobs) || (istype(M) && (M.buckled == target)))
-			return FALSE
+			if(!ricochets) //if it has ricocheted, it can hit the firer.
+				return FALSE
 	if(!ignore_loc && (loc != target.loc))
 		return FALSE
 	if(target in passthrough)