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WTB: Shell holder for .28-30 (if such exists) (Read 440 times)

Just Jim Full Member Offline Posts: 212 Joined: May 11^th, 2019	WTB: Shell holder for .28-30 (if such exists) Apr 26^th, 2026 at 10:37am	Print Post
	Hello all- I'd like a correct fitting shell holder for .28-30. I have been using a .38 Special shell holder, but it's a poor fit. CH4D offers one, but it's the same number as their .38 Special, so I'm not interested in trying one of those. I have read that RCBS offered one, but that it is now discontinued. Anyone have one they no longer need? If a dollar value is required, let's say $25 or so. Thanks...


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Dellet Frequent Elocutionist Offline Posts: 1271 Joined: May 19^th, 2017	Re: WTB: Shell holder for .28-30 (if such exists) Reply #1 - Apr 26^th, 2026 at 10:55am	Print Post
	I’ll look but I’m pretty sure I’m using a 40 S&W. It’s that or a 32-20. RCBS 27 works on about half the 28-30 brass I have
	« Last Edit: Apr 26^th, 2026 at 11:40am by Dellet »

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yamoon Oldtimer Offline NRA Life, ASSRA , GGCA, MCA Posts: 998 Location: Junction City Kansas Joined: Feb 11^th, 2012	Re: WTB: Shell holder for .28-30 (if such exists) Reply #2 - Apr 26^th, 2026 at 11:46am	Print Post
	I have altered existing ones with a Drimel tool. Mike


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Pinwheel Participating Member Offline Posts: 12 Joined: Apr 27^th, 2010	Re: WTB: Shell holder for .28-30 (if such exists) Reply #3 - Apr 26^th, 2026 at 12:41pm	Print Post
	My RCBS 28-30 die box is labeled "Shell holder Special Group 1" and the RCBS shell holder is marked "28-30 S"


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Oleblacksmith Junior Member Offline Posts: 76 Joined: Jan 10^th, 2024	Re: WTB: Shell holder for .28-30 (if such exists) Reply #4 - Apr 26^th, 2026 at 3:09pm	Print Post
	Looking thru Cartridges of the world the 8mm Nambu rim diameter is .413" while the 28-30-120 Stevens rim Diameter is .412", if I'm talking about the right 28-30? RCBS makes a shell holder(#25) for the NAMBU and Grafs has them in stock for $10.39 plus t&s. 40S&W would work but the rim diameter at .424" is a little larger than necessary and probably a little sloppy. If I'm mistaken about the particular 28-30 just ignore my suggestion and consider that the source is not an expert at much of anything.
	« Last Edit: Apr 26^th, 2026 at 4:00pm by Oleblacksmith »

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oneatatime Frequent Elocutionist Offline Posts: 4413 Location: Rocky Mountains Joined: Oct 30^th, 2011	Re: WTB: Shell holder for .28-30 (if such exists) Reply #5 - Apr 26^th, 2026 at 3:58pm	Print Post
	OBS, I see a rim diameter of .532 for the 28-30-120. Is there another 28-30? An easier way (at least for me - and sometimes more reliable than COW) is to just Google "28-30 Stevens cartridge dimensions".


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Oleblacksmith Junior Member Offline Posts: 76 Joined: Jan 10^th, 2024	Re: WTB: Shell holder for .28-30 (if such exists) Reply #6 - Apr 26^th, 2026 at 4:11pm	Print Post
	Looking at Handloaders manual of Cartridge Conversions has the Rim diameter for the 28-30 stevens as .412" so I guess we need to know if there is another 28-30?


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Just Jim Full Member Offline Posts: 212 Joined: May 11^th, 2019	Re: WTB: Shell holder for .28-30 (if such exists) Reply #7 - Apr 26^th, 2026 at 4:27pm	Print Post
	Appreciate the brainstorming, fellows. I believe I tried my old Lyman .32-20, and it was far too small. I've never loaded .40 S&W, but that should be an easy one to find and try. Thanks! I normally just seat primers with an Ideal #3 tool meant for .38 Special, but I was working with some new RMC cases, and the primer pockets were too tight for that.


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Sure shot Frequent Elocutionist Offline Posts: 1144 Location: East central Iowa Joined: Jun 22^nd, 2020	Re: WTB: Shell holder for .28-30 (if such exists) Reply #8 - Apr 26^th, 2026 at 4:39pm	Print Post
	The rim diameter of my UMC 28-30 brass measures .433, my RMC turned brass, rim diameter measures .412.


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Oleblacksmith Junior Member Offline Posts: 76 Joined: Jan 10^th, 2024	Re: WTB: Shell holder for .28-30 (if such exists) Reply #9 - Apr 26^th, 2026 at 5:40pm	Print Post
	I guess the only answer for your request is for you tell us the actual rim diameter of your brass because there appears to be at least 2 different rim diameters for 28-30 brass. Just Jim wrote on Apr 26^th, 2026 at 10:37am: Hello all- I'd like a correct fitting shell holder for .28-30. I have been using a .38 Special shell holder, but it's a poor fit. CH4D offers one, but it's the same number as their .38 Special, so I'm not interested in trying one of those. I have read that RCBS offered one, but that it is now discontinued. Anyone have one they no longer need? If a dollar value is required, let's say $25 or so. Thanks...


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oneatatime Frequent Elocutionist Offline Posts: 4413 Location: Rocky Mountains Joined: Oct 30^th, 2011	Re: WTB: Shell holder for .28-30 (if such exists) Reply #10 - Apr 26^th, 2026 at 5:44pm	Print Post
	Looks like there can be considerable variations and how fat my finger can type. I'm now going to go with .425 + or -. Just Jim what does your brass measure? People with original rifles, what does your rim recess allow? That might be a possible max. Pinwheel, what does your RCBS shellholder allow?
	« Last Edit: Apr 26^th, 2026 at 5:51pm by oneatatime »

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Just Jim Full Member Offline Posts: 212 Joined: May 11^th, 2019	Re: WTB: Shell holder for .28-30 (if such exists) Reply #11 - Apr 26^th, 2026 at 10:45pm	Print Post
	Hmm... variations indeed! My UMC cases read: base: .355" rim: .428" My RMC cases read: base: 355" rim: 412" I guess I'll have to open up Cartridges of the World and see if I can find a likely candidate for that RMC brass. Again, I appreciate the sharing of knowledge, fellows!


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Oleblacksmith Junior Member Offline Posts: 76 Joined: Jan 10^th, 2024	Re: WTB: Shell holder for .28-30 (if such exists) Reply #12 - yesterday at 8:04am	Print Post
	Handloaders Manual of Cartridge Conversions simply states that there are no suitable cartridges that can be converted into 28-30. It says that the only thing that can be done is just to turn them from solid brass. Bummer! Sounds like RMC makes more money.


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GT Frequent Elocutionist Offline Posts: 2354 Location: Northeast Wyoming Joined: Jun 28^th, 2015	Re: WTB: Shell holder for .28-30 (if such exists) Reply #13 - yesterday at 10:08am	Print Post
	The last issue of the Journal had an article about making 28-30SS from 30-06 cases. While the process is somewhat involved it turns into a perty good case. My samples of 28-30 have brass rims from .412" diameter to .428" diameter. The ones I make can fall anywhere in the middle, but most generally .415" diameter so I know they're mine. The shell holder I use for most of the cases original and the ones I've made is the RCBS #19. It's a current holder made for the likes of the 6.8 Rem SPC and the 224 Valkyrie. The other holder I use is stamped with a #13 that came with an antique set of dies, Pacifics, and that is NOT an RCBS shellholder. (the #13 shell holder fits a 7.62 x 54). GT

	"To invent, you need a good imagination and a pile of junk" T. A. Edison "The trouble ain't that there is too many fools, but that the lightning ain't distributed right" M.T.
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Just Jim Full Member Offline Posts: 212 Joined: May 11^th, 2019	Re: WTB: Shell holder for .28-30 (if such exists) Reply #14 - yesterday at 2:23pm	Print Post
	Thank you, GT- I ordered a No. 19 RCBS to try!


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