A paintball gun
Disassemble the gun, and replace the back cap with the stock or take it to a paintball store, and ask them to.
.68 caliber. the paintball standard.
The Spyder MR1 is a type of paintball gun therefore would be used for paint balling. They can be purchased from many places including eBay and Amazon.
They are listed as "spyder" threads. It shares them with piranhas and several spyder clones
as long as it is spyder threaded yes
No never buy a spyder i play speedball and its a horrible gun for that but even for woodsball i still wouldnt use it.
Spyder MR100 Pro is the RIS Quad rail system that fits the Spyder MR1 paintball gun.
basically the answer is it is totally wearth it
the Rs is a good reliable design.
no. only if the title of your paintball marker says "electra"