diff --git a/mods/cnc/bits/toss1.aud b/mods/cnc/bits/toss1.aud
new file mode 100644
index 0000000000..e62cf076ec
Binary files /dev/null and b/mods/cnc/bits/toss1.aud differ
diff --git a/mods/cnc/rules/vehicles.yaml b/mods/cnc/rules/vehicles.yaml
index b9ee9338e5..78b5ec938e 100644
--- a/mods/cnc/rules/vehicles.yaml
+++ b/mods/cnc/rules/vehicles.yaml
@@ -446,9 +446,12 @@ MSAM:
 	Turreted:
 		ROT: 255
 		Offset: -256,0,128
-	Armament:
+	Armament@PRIMARY:
 		Weapon: 227mm
 		LocalOffset: 213,128,0, 213,-128,0
+	Armament@SECONDARY:
+		Weapon: 227mm
+		LocalOffset: 213,-128,0, 213,128,0
 	AttackFrontal:
 	RenderUnit:
 	WithTurret:
diff --git a/mods/cnc/weapons.yaml b/mods/cnc/weapons.yaml
index b2f26bf407..418253060e 100644
--- a/mods/cnc/weapons.yaml
+++ b/mods/cnc/weapons.yaml
@@ -402,6 +402,7 @@ Chemspray:
 Grenade:
 	ROF: 50
 	Range: 5
+	Report: toss1.aud
 	Projectile: Bullet
 		Speed: 12
 		High: yes
@@ -560,8 +561,8 @@ MammothMissiles:
 	ROF: 140
 	Range: 12
 	MinRange: 3
-	Burst: 2
-	BurstDelay: 20
+	Burst: 4
+	BurstDelay: 4
 	Report: ROCKET1.AUD
 	ValidTargets: Ground
 	Projectile: Bullet
@@ -584,9 +585,9 @@ MammothMissiles:
 			Heavy: 50%
 		InfDeath: 4
 		Explosion: med_frag
-		ImpactSound: xplobig4.aud
+		ImpactSound: xplos.aud
 		SmudgeType: Crater
-		Damage: 100
+		Damage: 25
 
 227mm.stnk:
 	ROF: 70