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AA 510 900 Feet per second.


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#1 Bennie

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Posted 25 February 2011 - 04:42 PM

Shot my AA 510 today over a new Chronograph. It was shooting right at 900 fps with 18.1 gr JSB's. The first three shots out of it today were in the 890's and the rest jumped up above 900 I thought I saved my 10 shot string so I could do a little playing around with the chrono and some ballistic programs. Any ways I made a mistake and did not save it. Is it normal for an Air Arms rifle to shoot the first three shots at a slower velocity than the next 7 on a full fill? Don't quite got this pcp thing figured out. And does any one know what the BC of an 22 cal 18.1 Grain JSB Exact Heavy's is??
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#2 crazyhorse

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Posted 25 February 2011 - 04:52 PM

Not uncommon for PCP's. Just vary your fill pressures to find best shot curve...sometimes just using a 2800 psi fill can make a big difference...

#3 Bennie

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Posted 25 February 2011 - 05:09 PM

Thanks I am going to fill it up and start over again tomorrow. I am mad at myself for not saving the data. It was displaying velocities every shot and I hit the save button, but I don't think I advanced to the next shot string before I shut it off. Any ways, I sure do like this rifle. I am saving for a Scuba Tank and what ever else I need to fill it up next. I am over this hand pumping already. Hand pumping would be fine for hunting but gets my heart pumping to fast to shoot to the abilities of this rifle with out resting first while target shooting.
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#4 ratassassin

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Posted 25 February 2011 - 05:27 PM

Oooooo, I bet that's a nice looking rifle, Bennie. Post some pics. It'll be perfect for whackin' ground squirrels.

#5 Bennie

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Posted 25 February 2011 - 09:37 PM

Here is a picture of it on the day I sighted it in. Did not take pictures today. Can't wait to get in to the ground squirrels with it.Posted Image
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#6 havoc

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Posted 25 February 2011 - 09:44 PM

Watch ebay for SCBA carbon fiber tanks. I just bought one a couple of weeks ago for $200 with 12 years of usable life left on it. Got a fill setup from MAC1 and I was in business. I had been using a hand pump to fill my .25 Mrod, no more! I found the Mrod sooo much more fun to shoot when you don't have to pump it up constantly.

#7 ratassassin

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Posted 25 February 2011 - 09:46 PM

Sweet rifle, Bennie! Ground squirrels beware.

#8 socalmatt

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Posted 26 February 2011 - 03:07 AM

Bennie,Your better off doing a 30 shot string like VarmintAir. Here is one of the strings from his site.AA 410ERBSL 30 shot string, shooting the 18 grain JSB Jumbo Heavy's, with a 2850 psi fill.1 - 869 10 - 888 19 - 894 28 - 8752 - 874 11 - 893 20 - 893 29 - 8723 - 873 12 - 891 21 - 894 30 - 870 4 - 874 13 - 891 22 - 8925 - 879 14 - 893 23 - 8886 - 880 15 - 894 24 - 8867 - 882 16 - 892 25 - 8848 - 883 17 - 897 26 - 8819 - 888 18 - 896 27 - 878AVG - 885ES - 28 fpsFPE - 31
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#9 THE KNOT

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Posted 27 February 2011 - 04:43 PM

I have never shot full strings through my 22.cal 410c but it shoots best from 170 bar down to 100 bar and i get about 25 to 30 very useable shots at 780 fps with 18.1 grain jsb's all through the sweet spot. Looks like you have a fine shooter

#10 Bennie

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Posted 28 February 2011 - 10:40 AM

I am pumping mine up to 190 bar right now with a hand pump. I did not get a chance to shoot it yesterday again. I may wait until after the gun show. I am wanting to get a tank and regulator to fill it with but am in no hurry. More time than money right now. That should change in the next couple of weeks. I think I will get a more accurate fill out of a regulator than what I can with a hand pump. I will probably wait until then to really start experimenting.
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#11 Gapmaster

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Posted 28 February 2011 - 01:05 PM

Does Mac1 have a different web site? I can't seem to get into their web page. Anyone have a current link? Thanks Gapmaster
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#12 Bennie

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Posted 28 February 2011 - 01:13 PM

Mine does not work for him either. I think you are better off calling him if you want something from him. Some times his site works and some times it does not.
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#13 crazyhorse

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Posted 28 February 2011 - 06:10 PM

Here is his other site...http://www.mac1airgunstore.com/

#14 Bennie

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Posted 28 February 2011 - 08:59 PM

Thanks for a link that works Crazyhorse! I am going to add it to my Bookmarks.
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#15 airgunny

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Posted 01 March 2011 - 07:14 PM

The coors light is a perfect compliment to that rifle! :signgreatreport3kg:
weapons are nothing but tools to be used properly. like any other tool.




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