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Discussion Starter #1
I recently purchased some Winchester 209 primers as my standby Remingtons were not available. While the Winchesters will seat ok in an STS hull that has been reloaded several times, they will not seat properly in a newer, once-fired STS hull. Also, the Winchester primer seems to be a bit longer than the Remington 209. Is there a fix or are the Winchesters basically incompatible with the newer STS hulls? I use a PW 800 Plus, and have attempted to adjust it slightly to seat the primer deeper, but with little success..I don't want to over-do it on this adjustment as I suspect doing so will cause other issues. As it is now, about 1/2 are pretty much fully seated, and the other 1/2 aren't.

Suggestions?

WNCRob
 

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The edges of the remington primer are rounded and seat into the rounded cavity of the STS and other remington hulls. Nearly all other brands are square. The PX will not seat them all of the way in, but the will function fine even with that small raised edge. The first firing will seat the primer and square off the internal cavity of the STS and they will seat well in the future. I have fired several thousand PW loaded gun clubs and STS's with no problem.
 

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Didn't know that a Winchester primer wouldn't work well in a Remington hull.'

I guess I'll have to point that out to a good friend of mine who has been using Winchester primers in Remington STS hulls for the last 5 years............And I've never heard him say a thing about it.

They should work...........

Hauxfan!
 

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I've used WW, Fio. 616, Cheddite, and Federial in STS hulls. The only ones that I've found that slip in without any seating problems on once fired STS hulls is the Fio. 616.
 

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+1 on fssberson's comments. I have been using Win 209 primers and STS hulls for many years, and have yet to have any problems in seating the primers. Have used different reloaders (Horndys originally, and now Mec 9000E (auto-mate). Whether once-fired, or many times reloaded, primers seated just fine.
 

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It's NOT a "user error". Remington 209P primers are just a little shorter and more rounded on the nose than Winchester W209's. You can force a Winchester primer into the pocket on an STS hull (stretches the plastic) but Remington primers fit a lot better. BTW, once you've forced a Win primer into the pocket, after that.......Rem primers will fit too loose.

John C. Saubak
 

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I have had the same problem with Win primers in once fred STS hulls. I am using a MEC grabber. I have quit using Win primers.

Jim
 

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Boy this is weird, I go back and forth with win, and rem primers in sts hulls and load a lot and have never experiensed a problem.

Trap-4
 

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Although I use a Mec, I had to adjust the seating pressure station with Cheddite primers and Remington hulls. Just a bit more pressure solved the problem immediately and then Winchester primers also worked without a hitch as well.....breakemall....Bob Dodd
 

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This is my biggest gripe against Remington. Remington primers and Rem hull primer pockets are shaped differently from the rest as mentioned. Obviously Rem has done this deliberately to entice one to use their primers. It isn't operator error. If I adjust my PW to seat a Win type primer a little deeper on a Rem hull it makes the base concave and the primer still won't be seated properly. So some of the hulls have to be "fire formed" before the primer seats. While I'm bitchin how many years have Rem Handicap shells been labled "New, Softer Recoil."
 

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I have used Win primers in STS 12 ga. hulls for the past few years and have not had any problems as described above; this has not been the case with STS 20 ga. hulls. Frequently, a lot of force is needed to seat Win primers in 20 ga STS (and some older RXP once fired) hulls. I have gone back to Rem STS primers for 20 ga. Best Regards, Ed
 

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In the past few years I have loaded over 50,000 sts hulls using Winchester primers. I have had no problems whatsoever. Occasionally I run a few Winchester AA hulls through the same machines & the primers do seat somewhat deeper. I think the problems experienced by some reloaders is due to the adjustment of the primer seater.

I load on 2 Hornady 366's, a PW800B, & a Mec Sizemaster. I use the Sizemaster for Federal paper loads only. None of these machines have ever had a problem with Winchester primers seating properly. I have never made any adjustment to the primer seater on any of these machines.

When loading the Fed. papers I use Fed. primers, however, I have loaded a few Rem. Nitros on the same machine with Winchester primers & they seat perfectly.

The Hornady machines are set up for STS hulls from the factory. Not sure about the Mecs.

Jim
 

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Jim, I've only loaded on a PW. Do your other presses have anything that pushes against the inside of the primer pocket as the primer is inserted?
 

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MECs do in fact have a tube that pushes down on the inside if the basewad in a manner that seats the brands of primers better than a PW in Rem hulls. PW's support the case by the rim and can sometimes bend the metal base before the plastic deforms. I have used PW 800B and Plus as well as MEC 9000 and sizemaster/steelmaster and have seen the difference in seating. Now I just tolerate the small amount of non-seating, fire them one time and never worry about it.

There was a thread here or on SGW awhile back that described drilling the primer pocket with a specific sized bit to square it off. Seamed like too much work for what is really a non-problem.
 

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Most of the recipes in the Alliant Powder reloading guides use Remington primers for STS hulls and Winchester primers for AA hulls. Years ago I bought some Remington primers just to use in once fired STS hulls and used Win209's after the first reload. I have adjusted my PW900 loader primer seating station just enough so that the primers will seat. I now load only AA hulls because in Western Canada the STS hulls are hard to come by meaning very pricey for new factory loads.
 

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Same issue here, with Win 209 primers in Remington STS and Nitro gold hulls, using a PW 800B loader on the first loading of once fired hulls. I've since switched to Remington primers and like finished product, better. If a loaded shell is placed on a flat surface, it shouldn't wobble because the primer is slightly protruding, I'd think.

Price being a moot point, it's worth the wait if Remington primers are in short supply. I call my order into CAC and they always have the needed supplies, or will have them shortly. mike
 

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Discussion Starter #20
Well, obviously some of us have observed issues when trying to use Winchester Primers on once-fired STS hulls...so, lets measure:
 
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