To be more accurate, you'll need to replace or modify the following:
Armor:
1. Holster (replace, too large)
2. Belt boxes (replace, too large)
3. TD hose (paint it grey), TD end caps (replace, too large)
4. ALL greeblies (incorrect t-bits)
5. Trim (remove it)
Helmet:
1. ALL greeblies (incorrect snout, no riser)
2. Decals (replace, not correct)
3. Bolt covers (replace, not correct)
4. Snout area (missing black outline, riser, etc.)
5. Trim (remove it)