As pictured above, front rests don't need to be fancy to work great. I know a few guys here use the el-cheapo Hoppes front rest. I used one for a loooooooong time and it is very portable/light and is pretty steady. I upgraded to a little more stable front rest, but still use the same rear bags. Those are generally Caldwell, stoney point or Protektor:
Here's the Hoppes, they come painted bright orange, but I repainted it blue:
Here's my heavier upgrade: