New guns are fantastic but material specific. The best way to select a gun is to know what brand and what type of base coat/cc you're going to use. AFA primer, it doesn't matter, but I wouldn't use a junk gun for sealer. Then again, sealer comes out of a gun like gangbusters when the needle, fluid cap and air cap are all within spec. And you don't want that gun for other painting IMO.
Old siphon guns hang on my rack and I use one occasionally. I can't believe how much paint is wasted with all that atomization that doesn't lay down.
Believe it or not, I used a HF gravity feed for this single stage acrylic, the best paint ever. Just the hood and bumper. The rest is factory.
