Holes were drilled to mark the outline of the oval to be cut from the upper nose.

A sharp hobby knife was used to cut out the spaces between the holes.

Contrail .060 plastic tube was sliced to match the profile of the hole in the kit nose.

The plastic of the nose was thinned and the tubes were trimmed to fit. Brass tube was used to represent gun barrels.

The view from underneath the modified nose.