What would be a reasonable price for my tippmann a5?

i have a used tippamnn a5 with an two piece twenty 1 inch sniper barrel, a colapsable stock, a saw stock, woodland real tree camo declas, squishy paddles, light weight aluminum upgrade for feeder, and bolt upgrade. all aluminum upgrade for internals. shoots perfect. no defects. just wondering if you could give me an estimation thanks