It held up amazingly for years. Yes it's a synthetic stock.
I started stripping it today because I'm going for a snow pattern. It took half a bottle of acetone and about 2 hours just to get the paint off!
Prep is the key! Sand first, clean, dry. Then wipe with acetone. Let dry and paint. Let the paint cure for a few weeks.
But the fruit of the Spirit is love, joy, peace, patience , kindness, goodness, faithfulness, gentleness and self-control. Against such things there is no law.