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<blockquote data-quote="criticalbass" data-source="post: 1241157" data-attributes="member: 711">&quot;Nearly&quot; straight as opposed to the bottleneck you see on lots of modern cases.&nbsp; Makes for less recoil.&nbsp; The case is derived from the 30-30, just necked up tio 321.These are easier to resize than some, and that&#039;s about the main difference.&nbsp; I presume your gun is lever action?&nbsp; You may want to see if Lee offers their factory crimp die in this caliber.&nbsp; If not, you can send them a round and they&#039;ll make you one for a surprisingly low price.&nbsp; I think it&#039;s under $50.&nbsp; It gives a really good crimp regardless of variations in specific pieces of brass.&nbsp; Case length and neck thickness are a pain with most crimps, but not with the Lee crimper.&nbsp; It squeezes the brass from the side and if set too tight can actually put a dent in the bullet under the brass.I think you can use 30-30 brass.&nbsp; Lyman says the case is derived from the 30-30 case.&nbsp; Has to be a better round than the 30-30. You would just run the brass through your de-prime/resize die.&nbsp; The die will enlarge the case mouth to fit your .321 bullets, and any other difference would fireform on the first firing.&nbsp; I do that with the .338-06 using 30-06 brass and it works fine.&nbsp; CB</blockquote>

[QUOTE="criticalbass, post: 1241157, member: 711"] "Nearly" straight as opposed to the bottleneck you see on lots of modern cases. Makes for less recoil. The case is derived from the 30-30, just necked up tio 321. These are easier to resize than some, and that's about the main difference. I presume your gun is lever action? You may want to see if Lee offers their factory crimp die in this caliber. If not, you can send them a round and they'll make you one for a surprisingly low price. I think it's under $50. It gives a really good crimp regardless of variations in specific pieces of brass. Case length and neck thickness are a pain with most crimps, but not with the Lee crimper. It squeezes the brass from the side and if set too tight can actually put a dent in the bullet under the brass. I think you can use 30-30 brass. Lyman says the case is derived from the 30-30 case. Has to be a better round than the 30-30. You would just run the brass through your de-prime/resize die. The die will enlarge the case mouth to fit your .321 bullets, and any other difference would fireform on the first firing. I do that with the .338-06 using 30-06 brass and it works fine. CB [/QUOTE]

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