Yes. without rails there is nothing to mount the scope (and scope rings) to.
Truthfully, You don't really need an optical zoom site. A red dot is the most you need for paintball. Paintball markers arn't accurate enough to utilize a optical zoom site correctly.
In paintball there is very little use for magnifying crosshair scopes. The greatest magnification you would ever need is a cheap 4x scope, and that would only be accurate for a few guns, with impeccable paint to barrel match. The only guns that could use a scope accurately are the T4 first strike, and the SO longbow. Most "snipers" use red dot or reflex sights, because it allows you to show where your shot will go(as accurate as paintballs can) and will not give you tunnel vision. Some scopes also cannot work with a paintball mask on.
There are no "good" scopes for that price. If you haven't the money to buy a decent scope, odds are you don't need one.
Yes, every few games, you will have to refill the tank, depending on the size. Without it, there is nothing to propel the paintball.
To install a railing on a concrete porch, you will need to drill holes into the concrete, insert anchor bolts, and secure the railing brackets to the bolts. Then, attach the railing to the brackets using screws or bolts. Make sure to use a level to ensure the railing is straight and secure.
You could try out at http://riflescopepro.com. They have a vast range of scopes for every need.
You would need zoning permits and insurance to open a paintball field.
To install railing on concrete steps, you will need to drill holes into the concrete, insert anchor bolts, and then attach the railing brackets to the bolts. Finally, secure the railing to the brackets. It is important to use the appropriate tools and follow safety guidelines during the installation process.
you need Co2 to fire any paintball gun, it is what physically moves the ball out of the barrel.
No, all paintball hoppers have a standard neck size.
To build deck railing on an existing deck, you will need to measure the length of the railing needed, purchase the necessary materials such as railing posts, balusters, and rails, and secure the railing posts to the deck surface. Install the balusters between the posts and attach the rails on top. Make sure to follow local building codes and guidelines for safety.
Paintball gear is what keeps you safe in paintball. The mask is the only truly crucial piece you need to play paintball (meaning you can walk onto a field without a gun, or tank or paint).