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What are you selling, and for how much?
I would have to do more shooting over the chrony to answer that. And right now I’m parting the gun out.
Nice looking gun, re the shots consistent?
yeah, 4800 feet could make a difference… 🙄
I’m closer to sea level then you lol.
I have a flat top piston and valve… :sadn: wonder what it is?
Only thing I can think why it’s faster is I’m using custom valve and piston.

I am getting around 650 with 15 pumps and 550 with 10. 3 pumps adds up to just over 300, which is perfect for shooting starlings and sparrows in the barn (<10 yrds). How is your gun so fast? I have a 24″ barrel, which should be best right?
Pulled out the pumper today, kind of cold guess I can stay warm from pumping. Ran 10 shots over the chrony.
JSB 8.44. .177
1. 702 10pumps
2. 697
3. 692
4. 692
5. 692
6. 768 15 pumps
7. 762
8. 765
9. 763
10. 768
Thanks Gunner Jacky. It’s been a fun project beats the heck out of the daisy125 I used to play cowboy and Indians with lol.
You have done nice modification, Nice gun.
Thanks for the complement Thehunter. Yes I did pick up the wood off eBay from rgoi1994. Since I posted his seller name his stuff goes really fast. The stock adapter comes from
roberts25 and it does have a power adjustment screw. It has all brass custom power valve and piston made by Airgunsmith http://www.airgunsmith.com/cros1377/cros1322-77_scart.htm .
The valve has the larger chamber that you can get 30 pumps in. I just pulled the the barrel and breech off the 2540 and installed on this shooter.
Love the gun! Where did you get the stock? Everyone I talk to says eBay. Could you direct me to the seller?
Viewing 15 replies - 1 through 15 (of 15 total)
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Nice