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#3181347 - 03/02/13 04:27 PM cva optima help
pseshooter300
8 Point


Registered: 04/03/11
Posts: 1031
Loc: kingsport

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Here is the deal i got a cva optima in December. Just got it ready to shoot today. Set it up with 777 100 grain pellets with 250 grain hornady sst bullets with winchester 777 primer. The groups were not impressive at best 5-6 inch groups. Any advice to shrink the groups down? At a 100 yards it will group in a pie plate capable of killing a deer but not the acuracy i want. I was shooting off a lead sled

Edited by pseshooter300 (03/02/13 04:29 PM)

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#3181360 - 03/02/13 04:39 PM Re: cva optima help [Re: pseshooter300]
mike243
16 Point


Registered: 09/06/06
Posts: 12018
Loc: east tn

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powerbelts.
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prayers sent for our friends in need every day

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#3181390 - 03/02/13 04:58 PM Re: cva optima help [Re: mike243]
smyrnagc
6 Point


Registered: 12/26/10
Posts: 930
Loc: Middle Tennessee

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I quit using the pellets due to accuracy issues. Do you have any loose powder? If so, you might want to try some and see if your groupings tighten up.
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Dedicated to the modern muzzleloading hunting enthusiast.
http://www.modernmuzzleloader.com

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#3181392 - 03/02/13 05:01 PM Re: cva optima help [Re: smyrnagc]
pseshooter300
8 Point


Registered: 04/03/11
Posts: 1031
Loc: kingsport

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No i dont have any if i go to blackhorn i know i need to switch breech plug and primer
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#3181400 - 03/02/13 05:06 PM Re: cva optima help [Re: pseshooter300]
smyrnagc
6 Point


Registered: 12/26/10
Posts: 930
Loc: Middle Tennessee

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You could go to 777 powder or Pyrodex and still use the breech plug and primers you have. Any chance someone close to you has grained powder you could try to see the difference?

One of the things granular powder gives you is the ability to experiment with different volumes (90; 100, 110, etc) to see which amount your gun shoots best. To just go with 100 grain pellets might be what is causing your accuracy issues.
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Modern Muzzleloader
Dedicated to the modern muzzleloading hunting enthusiast.
http://www.modernmuzzleloader.com

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#3181469 - 03/02/13 06:04 PM Re: cva optima help [Re: pseshooter300]
Buzzard Breath
8 Point


Registered: 07/31/06
Posts: 1669
Loc: East

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I bought my Optima in January and went to the range for the first time 2 weeks ago. I got it sighted in at 50 and immediatelly shot a 1.5 inch 5-shot group at 100. I was shooting my old reliable combo of 90 grains of Pyrodex and 295 grain Powerbelts. I've killed dozens of deer with this combo out of an old CVA Firebolt. I was originally just going to shoot the rest of my Pyrodex and Powerbelts up, then experiment with other bullets and powder. But, why fix something that isn't broke. I think with a little range time, I can make this group smaller.

Some people hate Powerbelts, some people love them.

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#3181604 - 03/02/13 07:51 PM Re: cva optima help [Re: Buzzard Breath]
stik
"Popcorn"
18 Point


Registered: 03/12/99
Posts: 21246
Loc: lenoir city,tn

confused Online
ditch the pellets. reduce the charge. change bullets.
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#3181663 - 03/02/13 08:57 PM Re: cva optima help [Re: stik]
william martin
4 Point


Registered: 04/20/12
Posts: 251
Loc: va

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i shoot 80g 777 and 250g sst great combo the pellets were a good thought when they came out but not good for accuracy loose powder is the only way to go
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#3181743 - 03/02/13 10:25 PM Re: cva optima help [Re: william martin]
FrontierGander
6 Point


Registered: 05/09/10
Posts: 661
Loc: Boncarbo,Colorado

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if that has the red low drag sabot, up the pellet load for a max load of 150gr pellets.

The sst/red low drag sabots load pretty smooth and easy, easy loading sabots in a cva bore need to be pushed hard with a healthy dose of powder.

Also, run a 3mm drill bit and with your fingers, spin it and cut the carbon out of the breech plug. Do this every 5 to 6 shots.

Also make sure you run a damp patch down the bore after each shot to remove the hard crud down towards the face of the breech plug.


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#3181774 - 03/02/13 11:06 PM Re: cva optima help [Re: FrontierGander]
skynimrod
10 Point


Registered: 11/10/06
Posts: 2543
Loc: Bellevue Tn

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Shoot some Barnes 290 or 300 gr blue tips.
Loose powder helps too.
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