Generally no, but it is important for proper maintenance that the gun be dismantled, cleaned, and lubricated after every use in order to get the most of out it.
There are several models, as Brass Eagle is a company. The pump markers are generally as fast as you can pump (4-5 bps) where their semi-automatic guns generally would work from 6-8 bps roughly. In a...
Well, the Brass Eagle brand of paintball markers is a very basic line of paintball guns but my opinion of a good paint ball gun is anything that will satisfy you. If you are a beginner and just want...