tippmann a5 paintball marker with flatline barrell, expansion chamber, stock, and cyclone feed low profile hopper, gun has been powder coated to make more durable great gun never had any problems just got out of playin paintball will also throw in a 20 oz co2 tank,, and i have a air tank also, ill take an additional 20 for it .. about 450 invested in this marker got to go may consider trade for electronics games or car parts 9315103015