Just saw that my club is now selling Rio Primers. Any good?
I apologize if I have missed this question before.
I apologize if I have missed this question before.
RIO 209 PRIMERS
rednight
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898 Posts
There are those that rave about the Rio primers. Unfortunately, I know of no published recipes that list them. I guess you could use data for the Federal 209A primer as it is the hottest thing out there. Otherwise, you could make some samples and send them off for testing.
Anything to do with Rio's whether it's shells or primers, I stay far away from.
Others may disagree, but in my observations over years of clay target shooting, Rio shells are by far the WORST when it comes to sticking in chambers after they have been fired.
If they can't make a decent shell, why would I ever use their primers?!
Good Luck and Good Shooting!
Others may disagree, but in my observations over years of clay target shooting, Rio shells are by far the WORST when it comes to sticking in chambers after they have been fired.
If they can't make a decent shell, why would I ever use their primers?!
Good Luck and Good Shooting!
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6,740 Posts
They are the largest, most oversized primers there is I believe. 2nd is Fiocchi according to the sizing chart I have. I used 1,000 of them & had no problems but don't see them around me anymore. Mainly Winchester, Cheddite & Fiocchi here now.
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10,391 Posts
I have never used them. BPI has data for their use in unspecified hulls. I would not use them in either Rem, Win or Fed hulls because, as mentioned above, they are bigger than Rem, Win and Fed 209 primers and will stretch the primer pockets of the US -made hulls. Once the primer pocket is stretched, you will not be able to use US-made primers in the hulls because they will fall out, easily. I used some NS primers in some AA hulls for a while and when I ran out and went back to Win primers, I was finding shells in my pouch with no primers. They had fallen out and were in the bottom of the pouch. I could push them in with my thumb and fire the round. And, on occasion, the pocket was stretched so far, there was not enough friction to keep the primer in at the primer insertion station on my reloader.
They should be OK in Euro hulls.
They should be OK in Euro hulls.
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367 Posts
I bought 100,000 back when they cost $71.00/5000. Never had a problem. Yes, they are way oversize but it doesn't matter if they are the only primer you use. I used Federal 209A data as they are a hot primer. Bought a few a couple years ago but my new gun pierced at least one of every ten. Didn't want to alter my firing pins so gave up on them.
Rednight, just finished loading the balance of a 20,000 purchase a couple of years ago. No problems, little hotter than a Win but less than Fed 209A. Somewhat oversized so really you cannot use the hull again and change to a US primer. I believe that I had 3 or 4 misfires out of the original purchase of 20K.
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4,016 Posts
Stopped using them as they were being pierced in my Perazzi about 1 per 25 shots. Never had that happen using Rem, Win, Fiocchi, Cheddite.
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10,793 Posts
I used to buy them by the 100K, and did not have problems. They are hot, and are oversized, but if that is the only primer you use, it does not matter.
I now only use them in my small bore pumps. There are a lot of Eurotrash hulls that take the big primer, and the 28 and 410 hull is always in short supply. My local source for them dried up. Shipping them in makes no sense, I can pick up Fed 209A for the same price locally.
They do have steel in the primer cup, and some guns will damage firing pins. Autos and pumps don't, most O/U's do.
I now only use them in my small bore pumps. There are a lot of Eurotrash hulls that take the big primer, and the 28 and 410 hull is always in short supply. My local source for them dried up. Shipping them in makes no sense, I can pick up Fed 209A for the same price locally.
They do have steel in the primer cup, and some guns will damage firing pins. Autos and pumps don't, most O/U's do.
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2,650 Posts
Rio primers have a large diameter. I used them in Fiocchi and Federal Field and Target hulls with no problems.
I wouldn't use them in hulls and then mix those hulls with hulls that had smaller primers in them unless you plan on using only Rio primers.
Some primers may fall out of a hull that had a Rio primer in them.
I wouldn't use them in hulls and then mix those hulls with hulls that had smaller primers in them unless you plan on using only Rio primers.
Some primers may fall out of a hull that had a Rio primer in them.
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848 Posts
In the past, Maxam (the Spanish parent company of Rio), had a practice of changing the specs on both their primers and their powders without notifying anyone that they had done it. It was their right since they were not especially concerned about the reloading market as reloading shotshells is uncommon in Europe. When I learned that the specs of their primers had been changed I just stopped using them since I didn't want to use something that could change without notice. Alliant also removed all the Rio primer data from their data base. Some of it is still floating around the 'net but I would not attempt to use it because if its age.
The price is probably still good, but the inconvenience of reloading an over-size primer without data and then then having the loads tested for pressure and velocity makes them very unattractive
The price is probably still good, but the inconvenience of reloading an over-size primer without data and then then having the loads tested for pressure and velocity makes them very unattractive
I haven't found that to be the case. Could be you right and I never notice. But one size fits in my Rio hulls fine and the others fall out.
Damn your right. I looked it up. I guess they discontinued the 615. Been so long I've used any that I don't remember where I got that idea. Sorry old man.
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Used them when experimenting with RIO hulls. Our club used RIOs as their club shell. We started to hear about firing pin failures (chips) and people started shying away from them.
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1,601 Posts
Once I used the Rio primers couldn't use any other in the hulls as they had stretched the primer pocket. Now I only load Winchesters to avoid this problem. They are more expensive but I don't have the problem with primers falling out or gas blow back around the primers.
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848 Posts
I seriously doubt that the firing pins were "chipped" although it may have appeared so. Firing pins are considerably harder than primer cups and unlikely to be damaged by contact with them. What most likely occurred was that the primer cups were pierced by the firing pins and the tiny hole on the primer that resulted allowed primer gas to blast a tiny crater into the tip of the pin. Most shooters that experience this don't examine their spent primers after each shot and don't notice the evidence of a piercing.
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