I bet that your B-26 was doing a lot worse before you tuned it and installed the Quest gear, because if you take a stock MM B26-2 .177 at or near seal level and take an average velocity of 820fps / 8.3gr
- then at your altitude you should be doing around 680fps. so... Nice job!
My guess would be that I have a scored compression cyl. or an undiscovered burr in there somewhere. Or possibly my breech seal is leaking a little.
I will try to fix and repair and will report back.
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