Which Bolt and Valve????

[Sonny04627]

I got my gun dressed now i need performance and accuracy boosted.
I dont know which bolts will fit the mr-1, i know top cocking but what else? delrin? acp?
I want to up my valve as well. I think i can find a spyder valve :)
For the bolt im looking for accuracy as well as a consistant shot.
running off co2. Please help :)
thank you guys!

[slim and shady]

well if your looking for accuracy and consistancy ditch the Co2 and Get HPA. For the bolt get a 2 oring bolt from ACP