View Full Version : Rimmed 300W or 30/357
thehouseproduct
07-18-2011, 05:39 PM
So I switched my shellholder from a 223 to a 357 and ran a 357 mag case into my 300WTF die and this is what i got.
http://www.thehousebmx.com/arfcom/30-357.JPG
Does it seem possible to run a 300WTF reamer into a Ruger #1 blank and then add a rim? It seems like I could use this round as is, or shortened and formed 357 max brass for cast bullets that like a longer neck. this way I could use my dies set up the way they are for my regular and rimmed 300WTF rounds.:uzi2:
LouBoyd
07-20-2011, 01:28 AM
Rimmed cases are usually used in single shots, revolvers, and lever actions. As the Desert Eagle demonstrates they can be used in semi-autos with rotating bolts (44 mag & 357). A few bolt actions use rimmed cartridges. ( 44 Mag Rem 788). The main problem with rimmed cartridges is trying to use them in stacked magazines, though it can be made to work.
What is your application for a rimmed 300W that won't work with a rimless 300W?
Have you considered using a 32-20 Winchester case?
http://www.tmtpages.com/LinkSkyImages/ranch_dog/RDCartridgeSketches/Images/32-20_Winchester~W-W~RD_Mold-TLC313-115-RF_Load.Jpg
22 grains case capacity. Works well with .308 Bullets
sha-ul
07-20-2011, 01:26 PM
this could be a good candidate for the Ruger 77/357.
thehouseproduct
07-20-2011, 01:41 PM
Rimmed cases are usually used in single shots...
What is your application for a rimmed 300W that won't work with a rimless 300W?
I mentioned in my post using a Ruger #1 action. The rim is really just because. The fact that forming 357 mag would be way easier than 223 is a nice perk. I wouldn't want 32-30, I don't want more dies.
this could be a good candidate for the Ruger 77/357.
Good call. A rebarrel would allow me to shoot 90gr XTP from the magazine and single load longer subsonic stuff.
redtazdog
07-22-2011, 04:13 AM
Your 300-357mag wtf could be called the 300 Whisp-R Imp and dies and reamers are avalable.
http://www.bellmtcs.com/store/index.php?cid=570
Hoser
07-22-2011, 12:52 PM
I made up a batch of 300 WTF rimmed last year for a silhouette shooter to use in his TC Contender.
I used 357 Max brass trimmed to 1.400.
He said it worked perfect and was a total hammer on steel.
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