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Rustle in the Bushes · July 17, 2011, 12:31 AM

Im just making my first batch of 7.5 swiss for my K31. Published Info for this cartridge is for the 1896 rifle is way off, so tell me what you think about this method of determining OAL for MY rifle.

1. Cut the neck of a cartridge open with tin snips so the bullet can slide into it alot easier.

2. feed the bullet in and close the bolt

3. measure how deep the bullet was shoved in, this is probably where it is CONTACTING the rifling.

4. Back off about .023. This is where i am unsure, I wonder how much space should be between that bullet and the lands?

5. reference this to what people give as an acceptable OAL.

Any thoughts, opinions?

Note- Ive already been on swiss rifles forum.

July 17, 2011, 12:31 AM	#1
Rustle in the Bushes Senior Member Join Date: June 5, 2011 Location: Canada- West Posts: 175	How to determine OAL? Im just making my first batch of 7.5 swiss for my K31. Published Info for this cartridge is for the 1896 rifle is way off, so tell me what you think about this method of determining OAL for MY rifle. 1. Cut the neck of a cartridge open with tin snips so the bullet can slide into it alot easier. 2. feed the bullet in and close the bolt 3. measure how deep the bullet was shoved in, this is probably where it is CONTACTING the rifling. 4. Back off about .023. This is where i am unsure, I wonder how much space should be between that bullet and the lands? 5. reference this to what people give as an acceptable OAL. Any thoughts, opinions? Note- Ive already been on swiss rifles forum.