Originally Posted by shagino

There aren't many people who use the front brass bulkhead. Even Billy Easton seems to recommend against it. I use aluminum for a few reasons.

1. A little more weight.
2. It's stronger than plastic.
3. If you want to change from 25º to either 20º or 30º, you'll need either the aluminum or brass bulkhead and the proper hinge pin mount. The plastic piece is fixed.

Here's the weight info:
Plastic bulkhead: 7.1g
Aluminum bulkhead: 14.5g
Brass bulkhead: 41.5g