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Primers...is there a difference?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 13:06
sniper13 View Drop Down
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Hey guys just wondering if anybody has done any primer comparison tests? I see alot of powder, case, and bullet chat but what about primers....you know 210 vs. 210M ect....What are some opinions about this consistancy issue...what are people seeing with different primers????

Edited by sniper13 - July/23/2009 at 13:07
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 14:24
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Not enough primers around to do a comparison with. Just take any you can find, and be glad you found them. I have not found any small rifle primers in over 7 months.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 14:44
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I use both BR-2s and CCI 250 primers  the 250 are hotter and give about 75 fps more zip out of a .308.  so if you do change primers work a load up with both types primers.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 14:49
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Originally posted by 3_tens 3_tens wrote:

Not enough primers around to do a comparison with. Just take any you can find, and be glad you found them. I have not found any small rifle primers in over 7 months.
 
+1  I always used CCI,  but now I'd buy whatever brand was in stock.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 14:55
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Man I'm glad I don't have that problem.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 15:24
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The only thing I would add to this is when changing primers reduce your loads and work back up accordingly.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 15:30
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Lets assume primer availability is not an issue. I have read that anytime you change a component (other than powder) you should drop your powder charge by 10% and work back up (powder charge) to your load. That's the disclaimer.
Do primers make a difference? It depends on what difference you are talking about. If it is preassure in the load, then they might make a difference. If the difference you are concerned with is accuracy, then they may or maynot make a difference.
If you are switching from a standard primer to a magnum primer for a developed load, then it probably will make a difference in both preassure and accuracy, weather it will be positive or negative will have to be determined by you.
If you are changing from one brand of primer to another brand of same type, like going from Winchester to CCI standard primers, then the preassures MAY not change much, but accuracy MAY change noticeably.
If this all sounds like double talk, it's because there are so many variables in reloading. Think of it this way; if your load is some where between starting load to midway of the data you are using, then you MAY be able to swap primers without worrying about your gun blowing up. If your load is between the halfway to maximum to maximum, then changing primers could cause a problem.
I had a 357magnum load that I could use Winchester or CCI small pistol magnum primers with little change in accuracy and preassure stayed the same, when I changed to standard primers accuracy suffered greatly, and this load was in the middle of my data.
You just gotta experiment, and remember, it's your body holding the firearm, do you want to risk it.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 15:45
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What differance can I expect switching from Rem. 9 1/2's to a Fed. 210M???
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 15:47
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Originally posted by Steelbenz Steelbenz wrote:

Man I'm glad I don't have that problem.

+1

Edited by sniper13 - July/23/2009 at 15:47
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 15:53
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Originally posted by sniper13 sniper13 wrote:

What differance can I expect switching from Rem. 9 1/2's to a Fed. 210M???
Unless your near maximum load, probably not much, since both are match primers.
If you switch, let us know the results.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 16:48
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I did some testing yesterday with the 91/2's. Today I am going out to shoot the same the only thing I am changeing are the primers. I will be shooting a 168 gr A-Max, Hornady Match brass, RL 15 (43.4,43.6,43.8 & 44 grain loads - 5 round groups), and Fed.210M primers. All will be 2.815 OAL, this just fits in mag. . All through a factory Rem 700 sps tactical w/ 10x42M SS. Yesterday I got a 0.3" group with the 43.4 load, the rest came in between 0.4" & 0.6". I will definately post the results tonight when I am done. I am basically looking for a consistancy change and a slight tightening of the groups.....we will see!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 16:52
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You mean you actually can find more than one brand of primers,  I cant hardly ever find primers of any brand much less what I want.  I always used Fed Gold Medal Match primers. I havent seen them for sale in over a year.

Link to article

Edited by Roy Finn - July/23/2009 at 17:14
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 17:09
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Gander mnt. had about 10 boxes yesterday for $3.98 per box (100). Sometimes I just get lucky.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 17:13
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I have always had good luck with Federal magnum primers and have done several side-by-side / loaded-at-the-same-time /shot-at-the-same-time tests.  I have yet to find a load that would not eventually develop a better group with the Federals
 
 
 
 
 
YMMV
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 20:16
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the only thing i like about federal primers is that they seem to burn cleaner than the cci's do, but yet ive used cci for most of the 20 yrs ive been reloading. i had a batch of fed. mag primers for my .300win and they were pretty good, but i tend to stick with one brand.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 20:30
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No real difference between Fed210 and 210M except price and availability.
Winchester large rifle runs about 100fps faster, CCI is too inconsistant for me to consider, exception being in handgun loads,then the distances are so short that it makes no appreciable accuracy difference for me.
 
Usual component change warnings apply of course.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 21:19
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Originally posted by Mike McDonald Mike McDonald wrote:

Winchester large rifle runs about 100fps faster


What are we talking about here, Mike?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 21:32
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i think he is saying that he gets an extra 100fps by using win primers.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 21:49
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I know Win. LR run a little hotter than others, but I never knew 100 fps faster.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 21:54
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me neither roy, but if mike says it i tend to buy it. i may have to rethink my primer choices now, if mike thinks cci's are to inconsistant then maybe i should switch. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 22:08
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Not calling him out at all, just wanted to know if this was a gereral finding or what family of chartridges we are talking about such as varmit caliber, 06 family or maybe magnums?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/23/2009 at 23:13
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Originally posted by sniper13 sniper13 wrote:

I did some testing yesterday with the 91/2's. Today I am going out to shoot the same the only thing I am changeing are the primers. I will be shooting a 168 gr A-Max, Hornady Match brass, RL 15 (43.4,43.6,43.8 & 44 grain loads - 5 round groups), and Fed.210M primers. All will be 2.815 OAL, this just fits in mag. . All through a factory Rem 700 sps tactical w/ 10x42M SS. Yesterday I got a 0.3" group with the 43.4 load, the rest came in between 0.4" & 0.6". I will definately post the results tonight when I am done. I am basically looking for a consistancy change and a slight tightening of the groups.....we will see!
Well guys I couldnt tell that big of a difference however I did do a little better with the 210M's.....but it could have just been me shooting a bit better, not sure. However velocities were no different.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/24/2009 at 06:04
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Originally posted by Roy Finn Roy Finn wrote:

Not calling him out at all, just wanted to know if this was a gereral finding or what family of chartridges we are talking about such as varmit caliber, 06 family or maybe magnums?


if i implied you were i certainly didnt mean to. i knew what you meant. i would guess he is talking about the .308??
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/24/2009 at 09:30
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Originally posted by sniper13 sniper13 wrote:

Gander mnt. had about 10 boxes yesterday for $3.98 per box (100). Sometimes I just get lucky.
The closest Gander Mtn. is in Sherman Texas. 175 mile drive for possible primers seems extreme. Federal was my primer of choice.


Edited by 3_tens - July/24/2009 at 09:33
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/24/2009 at 10:00
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Well 3.....If they were sitting on a couple thousand and I had a $100, I would probably make the trip...call first...yes it does seem extreme,but as gun owners and reloaders everything is extreme for us now until the smoke clears. But thats what happens when everybody "panics" and thinks they got to buy everything up......clearly that isnt necessary.
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