lpading the cast bullet for target shooting

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  • Last Post 01 October 2023
4895 posted this 29 September 2023

i'm trying my hand at target shooting with cast bullet, i shot this years ago and forgot a lot, my problem is expanding the neck just enough to start the bullet  and keep neck tension. any help would be great. by the way i'm shooting 308 with bullet size at .310

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OU812 posted this 29 September 2023

Purchase the Lee collet die to adjust  once fired neck tension to your liking.

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MP1886 posted this 29 September 2023

The op didn't mention if the cast bullets were plainbase or gas checked.  Could it possible be a reaction between the gas check material and case neck alloy? So people use aluminum checks too that aluminum tends to corrode more then the copper checks.   Just a thought.

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delmarskid posted this 29 September 2023

.30 caliber rifles and .310” bullets are my go to. Some folks pull loaded rounds and measure the bullets to see if tight necks forced them smaller. I use factory dies and either a lee flaring tool or a Lyman-M expander die. I use an M die for the 31 caliber’s sometimes but I don’t think I notice a difference between them other than bullets seat easier with the 31.

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John Carlson posted this 30 September 2023

I simply inside chamfer the case necks with gas checked bullets.  Using RCBS competition seating dies there has been no problem starting/seating the bullets.

John Carlson. CBA Director of Military Competition.

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Ross Smith posted this 30 September 2023

NOE makes many different 30 cal dimensions so you can match your case neck-bullet diameter-chamber dimensions  for proper fit. They work in the lee expander body.

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Lucky1 posted this 30 September 2023

Using the NOE expanders and chamfering has solved that problem for me too.

Scott Ingle

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4895 posted this 30 September 2023

 what is NO? I'M A LITTLE STUPID

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Idahocaster posted this 30 September 2023

NOE is a mold and bullet casting tool manufacturer.

https://noebulletmolds.com/site/

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OU812 posted this 30 September 2023

I have been down that stupid road and purchased lots espensive expanders and neck sizing devices. Do it right the first time and purchase the very affordable collet die.

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Bud Hyett posted this 30 September 2023

I've thought about this question over the years because of my experience with jacketed bullets. I've seen saved ammunition shoot poorly the next year. Ammunition for ground squirrel or prairie dog shooting loaded the year before is moved down .005 for the next season and is now shot first to assure it is not saved two seasons. 

I have never been able to design an experiment that i think would conclusively prove this theory. The choice of different lubricants, gas check versus plain base, depth of seating, length of time sitting in the case, case neck tightness and other factors combine to add many shots to come up with a reliable conclusion. Because of this, I've standardized on lubricants and seating depth. Also, most everything I load is shot in matches the following month with the exception of black powder loads for my .45-70 rifles. 

Farm boy from Illinois, living in the magical Pacific Northwest

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tomme boy posted this 01 October 2023

https://www.midwayusa.com/product/1012081556?pid=745616

 

this is the easiest way. You can also buy https://www.midwayusa.com/product/1012109861?pid=770374 in other sizes you need

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