Scope advice

[rbtmckny]

I have a  6X24 40MM scope. If I sight it in at 10, will it still be sighted in at 24?

[daved]

Need more info, Bob.  What pellet and caliber, how heavy, and what velocity?  And how high is the scope centerline from the barrel centerline?  From what I've seen with my own rifles shooting at 10 yards, the trajectory tends toward the ballistic, as in ICBM :-).  If I sight in my Cyclone at 10 yards, second zero is about 65 yards, and it's more than 2" high at 40.  Download Chairgun from the Library, it makes this kind of "what if" testing really easy.  Later.

Dave

[MEHavey]

If you mean sighted in at 10 power and you zoom to 24x, the answer is yes -- a quality scope will not change zero

[daved]

Good catch, Mike, it didn't even occur to me he was talking about mag.  Looks like we've got him covered either way :-).  Later.

Dave

[rbtmckny]

Thanks, I was talking about magnification. I did not think it would change the poi, but when I zoomed in at 24 my shots seemed to be going right. It was after my 6th or 7th recharge, so it might have been me getting tired that was making the shots go right.

[MEHavey]

Zoom in first to zero, otherwise you aren't as accurate as you can be when zooming back out.  (That's my opinion and I'm sticking to it.)  

:-)

[douglas george]

I shoot a lot of bench rest with 22's (25, 50, and 100 yards, and centerfire rifles at 100 yards.  I shoot airguns at 10 yards, and 25 yards mostly, all off hand.  And I have to agree with "MEHavey".  The only problem I have at 10 yards...is the focus at higher powers.  I can use 9X at 25 yards, but it is fuzzy with out a focus change at 10 yards.  I zero at 25 yards, and hold a little high (put a black dot above the bull) or use the two lower mill dots at 10 yards.
Douglas George

[PelletPaul]

Dave - one quick question not concerning scopes. Don't want to start another thread.  I received my air tank tomorrow to fill my cyclone.  I have never done it before.  When you insert the fill adapter does the hole in the fill adapter need to face the air cylinder? I don't see where the compressed air will be going.

Thanks,

Paul

[daved]

No worries, Paul, just stick it in the hole and crack the valve open, that air will figure out where it needs to go :-).  Just make sure you fill SLOW, bleed FAST.  I would suggest you keep some pure silicone grease with your fill station, and lube the orings on the adapter frequently.  Just a touch between your thumb and forefinger, then wipe it on the orings.  I use silicone dielectric grease from NAPA, divers silicone grease works too.

If you look inside the port on the rifle tank, there's a small hole on the action side of the air tube.  That's where the air goes, the orientation of the fill probe doesn't matter, there's enough clearance around it for air flow.  It always seems to me like the fill probe should blow itself out, but it works fine.  Hope that helps, if you need to, give me a call, 509-429-0548.

Dave