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Topic Review (Newest First)
05-19-2019 08:52 PM
Maggieze
Quote:
Originally Posted by ShaneG. View Post
Those numbers do seem long to me but I'm no expert. I would say call a reamer manufacturer of your choice and speak with them or send the dummy rounds. Last reamer I bought had a short throat and I got a throating reamer to adjust it right where I wanted it.
+1
05-19-2019 10:34 AM
KK The same goes for me too. Thanks again to all.
05-16-2019 10:45 AM
Paul Workman
Quote:
Originally Posted by KK View Post
Thanks for the replies. That helps a lot. Better to be to short than to long in this case. Have a great rest of the weekend.
It has been the collective opinion and experiences expressed on THIS FORUM over the years that has helped me choose bullets and powders and calibers more than anything else. Stuff I've learned from the people here has made ALL THE DIFFERENCE in my enjoyment and successes when it comes to precision shooting.
05-12-2019 12:23 PM
KK Thanks for the replies. That helps a lot. Better to be to short than to long in this case. Have a great rest of the weekend.
05-12-2019 08:34 AM
Paul Workman Many (BR) rifles shoot best with the bullet seated a couple tho INTO the lands.

The following is a condensation of a conversation I had with Shillen (over 20 years ago) regarding this exact topic:

With that in mind, I'd start with the lightest bullet I'd ever intend to shoot in that barrel in a match. Then, seat a bullet just deep enough to where it won't accidentally be extracted from the case when attempting to pull an unfired round from the chamber, and use that base to ogive measurement as a basis for MAXIMUM throat length.

Then, consider what would reduce this initial starting point, such as having to chase the lands as the throat wears AND the fact that the sweet spot for seating depth might prove to be as much as .050+" off the lands.

The result of these considerations will ADD to the bullet seating depth (reducing the throat length by equal amount) - not necessarily a bad thing except for reducing case capacity slightly. Use that as your spec to your guy/gal grinding your reamer(s).


Lots of BR shooters here. Opinions may vary.
05-12-2019 08:08 AM
ShaneG. Those numbers do seem long to me but I'm no expert. I would say call a reamer manufacturer of your choice and speak with them or send the dummy rounds. Last reamer I bought had a short throat and I got a throating reamer to adjust it right where I wanted it.
05-11-2019 12:06 PM
KK
Reamer throat length

I'm going to have a new reamer made for 22 BRX I hope to shoot 75 or 80g ELD-x bullets. I put together a couple of dummy rounds 1 of both. With the top of the boatail .10 below the neck shoulder junction I came up with these figures. Base to ogive on the 75g was 1.740 and the 80g was 1.784. minus the case length of 1.560 leaves throat length for the 75s at .180 and the 80g at .224. this seems kind of long to me. Am I missing something or do I need more bullet in the case? Thanks for any input. KK

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