diff --git a/src/main/java/tconstruct/weaponry/WeaponryHandler.java b/src/main/java/tconstruct/weaponry/WeaponryHandler.java
index cd35f487..57db051c 100644
--- a/src/main/java/tconstruct/weaponry/WeaponryHandler.java
+++ b/src/main/java/tconstruct/weaponry/WeaponryHandler.java
@@ -98,7 +98,7 @@ public class WeaponryHandler {
                 fletching = (FletchingMaterial) TConstructRegistry.getCustomMaterial(tags.getInteger("Accessory"), FletchlingLeafMaterial.class);
 
             int durability = (int)((float)headMat.durability() * coreMat.handleDurability() * fletching.durabilityModifier);
-            float weight = head.mass + core.mass;
+            float weight = head.mass + core.mass*1.5f;
             float accuracy = fletching.accuracy;
             float breakChance = fletching.breakChance*3;
             float shoddy = (headMat.shoddy() + coreMat.shoddy())/2f;
diff --git a/src/main/java/tconstruct/weaponry/entity/ArrowEntity.java b/src/main/java/tconstruct/weaponry/entity/ArrowEntity.java
index b963c932..2f3041bd 100644
--- a/src/main/java/tconstruct/weaponry/entity/ArrowEntity.java
+++ b/src/main/java/tconstruct/weaponry/entity/ArrowEntity.java
@@ -73,20 +73,23 @@ public class ArrowEntity extends ProjectileBase {
     @Override
     public boolean dealDamage(float damage, ToolCore ammo, NBTTagCompound tags, Entity entityHit)
     {
-        boolean dealtDamage;
+        boolean dealtDamage = false;
 
         //Minecraft.getMinecraft().thePlayer.sendChatMessage("Damage/Weight: " + damage + "  -  " + tags.getFloat("Mass"));
 
         // we take the weight, and shift the damage done towards armor piercing, the more weight the arrow/bolt has!
-        float shift = (tags.getFloat("Mass") - 0.7f);
+        float shift = (tags.getFloat("Mass") - 0.7f)*armorPenetrationModifier();
 
         if(shift < 0)
             shift = 0;
         if(shift > damage)
             shift = damage;
 
+        damage -= shift;
+
         // deal regular damage
-        dealtDamage = super.dealDamage(damage-shift, ammo, tags, entityHit);
+        if(damage > 0)
+            dealtDamage = super.dealDamage(damage, ammo, tags, entityHit);
 
         // deal armor piercing damage
         if(shift > 0) {
@@ -103,4 +106,6 @@ public class ArrowEntity extends ProjectileBase {
 
         return dealtDamage;
     }
+
+    protected float armorPenetrationModifier() { return 1.0f; }
 }
diff --git a/src/main/java/tconstruct/weaponry/entity/BoltEntity.java b/src/main/java/tconstruct/weaponry/entity/BoltEntity.java
index 82dccd44..9e5936d3 100644
--- a/src/main/java/tconstruct/weaponry/entity/BoltEntity.java
+++ b/src/main/java/tconstruct/weaponry/entity/BoltEntity.java
@@ -24,4 +24,9 @@ public class BoltEntity extends ArrowEntity {
     protected void playHitBlockSound(int x, int y, int z) {
         this.playSound("random.bowhit", 1.0F, 1.0F);
     }
+
+    @Override
+    protected float armorPenetrationModifier() {
+        return 1.5f;
+    }
 }