![]() |
Reloading 303 with crimp |
Post Reply
|
Page <1 345 |
| Author | |
britrifles
Senior Member
Joined: February 03 2018 Location: Georgia, USA Status: Offline Points: 8404 |
Post Options
Thanks(0)
Quote Reply
Posted: February 19 2024 at 3:29pm |
A .310 neck ID and a .310 bullet OD? Are you super gluing the bullets in the neck? ![]() |
|
![]() |
|
Shamu
Admin Group
Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510 |
Post Options
Thanks(0)
Quote Reply
Posted: February 19 2024 at 3:35pm |
|
No problem. I think the second one was limited to 2-groove bores that were worn?
|
|
|
Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
|
|
![]() |
|
Goosic
Senior Member
Joined: September 12 2017 Location: Phoenix Arizona Status: Offline Points: 8842 |
Post Options
Thanks(0)
Quote Reply
Posted: February 19 2024 at 3:46pm |
|
A .310 neck ID and a .310 bullet OD? Are you super gluing the bullets in the neck? ![]() Nope. It just works Geoff...
![]() ![]() ![]() ![]() |
|
![]() |
|
britrifles
Senior Member
Joined: February 03 2018 Location: Georgia, USA Status: Offline Points: 8404 |
Post Options
Thanks(0)
Quote Reply
Posted: February 19 2024 at 4:12pm |
|
.3100 neck and .3100 bullet gives a slip fit. Try measuring the neck ID with a pin gage if you have them, it must be smaller than the bullet, otherwise, you could push the bullet into the neck with your fingers.
I don’t use less than .001 interference, usually go for .0015 to .0020 interference to get sufficient neck tension for magazine feeding. .001 interference is OK if single shot feeding.
|
|
![]() |
|
Goosic
Senior Member
Joined: September 12 2017 Location: Phoenix Arizona Status: Offline Points: 8842 |
Post Options
Thanks(0)
Quote Reply
Posted: February 19 2024 at 5:12pm |
|
It takes just over 18 foot pounds of force to unseat this particular bullet Geoff. The .311" to .312" projectiles require just 20 foot pounds of force to unseat them from the cases.
Not truly interested in going above and beyond by using a pin gauge. I trust my digital calipers and my .310" neck expander. The point I was making here is in reference and regards to the issue with two gentlemen not being able to get their bullets to hold to the case neck without using a crimp and something internally out of specification with their Lee made full length resizing die.
|
|
![]() |
|
britrifles
Senior Member
Joined: February 03 2018 Location: Georgia, USA Status: Offline Points: 8404 |
Post Options
Thanks(0)
Quote Reply
Posted: February 19 2024 at 6:21pm |
|
If your getting 18 lbs of force to push the bullets into the case neck then you have about .001 interference. I assume you mean pounds and not foot pounds. Foot pounds is unit of moment or torque. .002 will give about 40 -50 lbs of force to seat a .30 cal bullet, but this value does depend on if the necks are lubricated, dry, polished or have residual powder fouling in them. I experimented with this using an arbor press with a force measurement pack to seat bullets and measuring neck to bullet interference with pin gages. Annealing the necks reduces the force to seat a bullet.
Lee is a good company to deal with, if you have a problem with their dies, they will make it right.
|
|
![]() |
|
Post Reply
|
Page <1 345 |
| Tweet |
| Forum Jump | Forum Permissions ![]() You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum |