17 AH
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Posted by: hunter_19_54
03/26/2002, 15:09:09

 I have a Cooper Mod 38 in 17 AH, I am not very happy with. Sent it back to Cooper & they use powder that we can not get for testing.It only shoots about 1" groups & you dont know where that 1" is. Does anybody know a good gunsmith that would rechamber this gun in a tight chamber.Love the 17 AH but this one just doesnt shoot. I am in Okla & folks down here dont shoot little guns like this. Thanks for your help Ron


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Which powder do they use? dont give up yet!
Re: 17 AH -- hunter_19_54 Top of thread Archive
Posted by: SunRa
03/26/2002, 17:01:02

 I cant believe that a coop would shoot like that,.lemme know what load data you gave you


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if
Re: 17 AH -- hunter_19_54 Top of thread Archive
Posted by: JD ®
03/26/2002, 20:14:11
Author Profile
it is shooting an inch and walking around the target change your scope then rings and base also check make sure they are tight

with it walking it sound like it is not the gun but the sights

But if not send it back, I friend of mine had to send back his Hebee and it is shooting like a cooper should now

JD


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Re: 17 AH
Re: 17 AH -- hunter_19_54 Top of thread Archive
Posted by: Mark D
03/26/2002, 20:48:37

 Do you want to sell the rifle , I might be interested ! Thanks! Mark


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me too
Re: Re: 17 AH -- Mark D Top of thread Archive
Posted by: BROOKS
03/27/2002, 08:51:24

 Watch this Mark guy, he has a way with the 17 AH, I know, I got one from him.
Brooks


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Re: me too
Re: me too -- BROOKS Top of thread Archive
Posted by: Tom Brush
03/28/2002, 18:31:08

 I have a new M38 Cooper .17AH too. It shoots everything under 1/2". Even fireforming loads. Cooper is now using an undersized reamer that solves the problem with brass being manufactured undersized from specs. Cases life is good.

I agree with checking the scope and mounts. It should shoot better.


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Re: me too
Re: Re: me too -- Tom Brush Top of thread Archive
Posted by: hunter_19_54
03/28/2002, 23:46:16

 How old is your Cooper & what loads are you shooting in it. I have tried several loads with no luck.You can E-Mail me at hunter_19_54@yahoo.com thanks for your help Ron


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Re: me too
Re: Re: me too -- hunter_19_54 Top of thread Archive
Posted by: Tom Brush
03/31/2002, 08:53:45

 Ron: I sent you an e-mail this morning. I have had my Cooper M38 .17 AH since February. I use 10.5 gr. of H4227 and the 25 gr. Hornady to fireform. I have lost no cases with this load.

I have tried two hunting loads. The first is 12.5 gr. of AA1680 with the 20 gr. Hornady V-Max bullet. Primer is Remingon 7 1/2. This load will shoot under 1/2" at 100 yds. I believe that it is max. for my rifle. In warmer weather I may have to reduce it. Velocity is 3800 fps.

The second is 10.0 of Lil-Gun with the 20 gr. V-Max and the 7 1/2 Remington primer. This groups around .300 at 100 yds. Bolt lift was a little stickey with 10.0 gr. I would not go above 9.8 gr. with my rifle especially when it gets warmer. Velocity is 3700 fps. with 10.0 gr. All of the above loads are safe in my rifle. Reduce the charges and work up. The factory gave me 1.395 for the trim length. I trim after fireforming.

I see that you are having case problems. Go to Varmint Al's site for instructions on forming .17 AH cases. Anealing the cases before firing is very important to prevent splits.

Hope this helps.

Tom




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