No. The Spyder Imagine was not really designed to be upgraded, but you can buy an SO ASA mounted stock.
around $140
There are no stocks that fit that model spyder.
Disassemble the gun, and replace the back cap with the stock or take it to a paintball store, and ask them to.
No, tippman uses 98 or a5 threads, mr1 has spyder threads.
The imagine is too cheap of a marker to spend much on upgrades for, however a new barrel is always a good choice.
If it is a Gs Spyder then it is 141 HP.
No, it does not.
The salvo has more accessories and has a better feed neck and stock then the Mr1.
The only difference is the weight, and shape. If you want a more militarily style look and better customization, go with eh Bt4. If you prefer spyder style markers, and not having to buy a stock, go with the Mr1.
non expired beef stock is not safe if not handled properly so you can imagine expired stock.
Some victors have a stock on the feedneck therefore it requires an adapter. Custom Products, and Trinity produce feednecks for this. Other then that the stock feedneck may have to suffice.
Spyder means convertible. Lots of Italian car manufacturers have a spyder model