Match grade primer testing. Results?

[DngBat7]

Has anybody performed any testing on match primers. Fed 210M bs CCI Br2? With any proven results?

 

[Titan]

Has anybody preformed ant testing on match primers. Fed 210M bs CCI Br2? With any proven results?

Laurie Holland conducted a large rifle primer test in 2015 with a variety of brands here's a link. It's a great article he has one with small primers as well.
http://www.targetshooter.co.uk/?p=1471

 

[Dusty Stevens]

Each rifle is different. Theres no absolute answer or they would only sell one.

 

[boltfluter]

In my experience there seems to be a certain correlation between certain primers working well with certain powders. Rem 7.5 and H335 is a classic in .223. Just an example. Many more out there.

Paul

 

[ClassCat]

I have photo's of primer detonations. Federal, CCI, etc. Federal Match has a different pattern and is the most efficient due to the shape of the flare and length.

 

[dmoran]

I have photo's of primer detonations.

Would be cool to see them......

 

[RGRobinett]

Relying on memory, I believe that German Salazar did a fair amount of testing/comparison, which was available on his blog, and much of it shared here - searching his name could turn up what you want.

Also, almost a life-time ago, there was a thorough [primmer] comparison (I believe small rifle only) in a PRECISION SHOOTING article, which included photos of the various "flash patterns", oscilloscope measurements displaying burn attributes from ignition, time to peak, duration, etc. Probably 1990 +/- a couple of years. The "winner" of that test/comparison was Fiocci SR - Good pal, Terry, and I bought 10K of them . . . they promptly "blanked' - even at starting load pressures, via actions/barrels/chamberings (.222 to 6BR) which, for many thousands of rounds, of various other brands, had never blanked a primer. We sold them to some pistol shooters, for whom they, "worked great".

Two problems with that article: 1) finding it. 2) Age - things do change . . . or, so I've been told. Perhaps someone with PS and an index will pull that article up for us. RG

 

[T-shooter]

Would be cool to see them......

http://www.6mmbr.com/PrimerPix.html

 

[dkhunt14]

Relying on memory, I believe that German Salazar did a fair amount of testing/comparison, which was available on his blog, and much of it shared here - searching his name could turn up what you want.

Also, almost a life-time ago, there was a thorough [primmer] comparison (I believe small rifle only) in a PRECISION SHOOTING article, which included photos of the various "flash patterns", oscilloscope measurements displaying burn attributes from ignition, time to peak, duration, etc. Probably 1990 +/- a couple of years. The "winner" of that test/comparison was Fiocci SR - Good pal, Terry, and I bought 10K of them . . . they promptly "blanked' - even at starting load pressures, via actions/barrels/chamberings (.222 to 6BR) which, for many thousands of rounds, of various other brands, had never blanked a primer. We sold them to some pistol shooters, for whom they, "worked great".

Two problems with that article: 1) finding it. 2) Age - things do change . . . or, so I've been told. Perhaps someone with PS and an index will pull that article up for us. RG

I remember that article. Either in that article or another, there was a difference between older and newer primers of the same brand and size. Some wasn't much different but some where. Matt

 

[eric n]

In my experience there seems to be a certain correlation between certain primers working well with certain powders. Rem 7.5 and H335 is a classic in .223. Just an example. Many more out there.

Paul

Anyone have any theories as to why this is? There is no doubt volumes of anecdotal evidence that supports this.

If its harmonics and vibration, wouldn't any change in bullet size, neck tension, powder volume, pressure, etc. change the primer preference?
If its flash, wouldn't the preference change for powder volume and subsequent pressure change?
Why can a primer change with an equally detailed load work up eliminate fliers. Ie, make the group smaller or produce better es?
I understand (or at least I think I do) that primers are another part of the tuning process. I have often wondered how. It doesn't make sense to me.

 

[LarryDScott]

The Remington 7.5 looks like a flamethrower. LDS

 

[Dusty Stevens]

The benchrest shooting primer has it in there.

 

[dkhunt14]

Anyone have any theories as to why this is? There is no doubt volumes of anecdotal evidence that supports this.

If its harmonics and vibration, wouldn't any change in bullet size, neck tension, powder volume, pressure, etc. change the primer preference?
If its flash, wouldn't the preference change for powder volume and subsequent pressure change?
Why can a primer change with an equally detailed load work up eliminate fliers. Ie, make the group smaller or produce better es?
I understand (or at least I think I do) that primers are another part of the tuning process. I have often wondered how. It doesn't make sense to me.

If you see the pics you might understand better. Some have a nice flame, some have a big flame and some have violent explosions with particulates flying way out. Those are usually the magnums. Matt

 

[Alex Wheeler]

From 1985. Doesnt mean much to be honest. Its interesting but you have to test them to know what will shoot best.

 

[searcher]

IMO, around 70% my bench gun loads in 6ppc, 6BR, 30BR, 6Dasher like Federals, 30% CCI. Just depends on the load in a given rifle.

 

[Dusty Stevens]

When German decided to go out of business he left his blog up for a while so folks could download it if they wanted. I did that but unfortunately my soft copy is in frigid Pennsylvania while I'm outside drinking iced tea in sunny Florida.

Some things I remember (I think). German felt an increase in velocity, with the rest of the components kept constant and assuming 100% combustion, was caused by energy from the primer itself and that was a bad thing. This was proven, at least in his eyes, by groups on paper. The vintage 205M with the very small visible flame and low velocity he considered superior to other small rifle primers but alas it was no longer available. It was convincing enough to me that I started shooting Russian SRM's because of the similar flame pattern. It didn't hurt that they were really cheap - $55/case for PMC branded on closeout from Graf's. They've worked quite well in everything except the 30BR which for some reason much prefers the current 205M.

As an aside, the early Fed 205 M's were labeled as Small Rifle Magnum primers, not match. An ill conceived wager on that with a REALLY old shooter cost me a Happy Meal. He's old but at least he's a cheap date.

I have found that the russian primers have such a hard cup they set up their own weird vibrations and really messes up groups in rifles that can see that such as a short range br gun. your mileage may vary but theres been a ton of russian primers given to fellow competitors and not restocked.

 

[Howland]

Laurie Holland conducted a large rifle primer test in 2015 with a variety of brands here's a link. It's a great article he has one with small primers as well.
http://www.targetshooter.co.uk/?p=1471

Great article, thanks for sharing.

 

[Alex Wheeler]

I have found that the russian primers have such a hard cup they set up their own weird vibrations and really messes up groups in rifles that can see that such as a short range br gun. your mileage may vary but theres been a ton of russian primers given to fellow competitors and not restocked.

Dusty how did you conclude it was a weird vibration causing issue? One thing I can say about those primers is a Bat doesnt have the energy to work with them, even with weight and spring added. Vertical fliers. They need a lot of pin energy to work well.