Repairing a Senco FramePro 600 framing nail gun. The valve seal was cracked and it needed an o-ring kit. See the links below for the parts and tools I used:
Senco O-Ring Kit:
https://amzn.to/2CQxOgH (affiliate*)
Senco Valve Seal (BF0203):
https://amzn.to/2P96mgp (affiliate*)
*Purchasing from these Amazon affiliate links earns my channel a small commission. Think of it as a tip that doesn't cost you anything. Thanks for the support!