Bob in WI
Silver $$ Contributor
Yes sir it isThe fun and satisfaction is in the "figuring it out."-Al
30BR with H322
- Thread starter jimmymac
- Start date
AlNyhus
Silver $$ Contributor
Ok...let's look at this. This is the same measure setting with new IMR4227.
Now, clearly you don't want to try this much as it's considerably faster. But lets take a look at a load that is in the ball park, based on the H4227 that was used in the past.
The case fill is right at the bottom of the neck. While we all like to see a compacted powder column (not compressed...that's different), it's possible that we put too much emphasis on it. The new IMR 4227 is a very short kernel and meters like water. Like always, start low and remember that the throttle doesn't have to always be wide open. There were many, many wins in registered BR competition with the H4227. Is it time to go back to the future?
Now, clearly you don't want to try this much as it's considerably faster. But lets take a look at a load that is in the ball park, based on the H4227 that was used in the past.
The case fill is right at the bottom of the neck. While we all like to see a compacted powder column (not compressed...that's different), it's possible that we put too much emphasis on it. The new IMR 4227 is a very short kernel and meters like water. Like always, start low and remember that the throttle doesn't have to always be wide open. There were many, many wins in registered BR competition with the H4227. Is it time to go back to the future?
Larry Koch
Silver $$ Contributor
Kind of confirms what I have always thought about the 30br. With the larger bore and case capacity it has many potential powders to yet have been tried.
FNSafari
Gold $$ Contributor
I haven't seen any H322 for, it seems, as long as H4198 has been unavailable. I used to use H322, and RGR is right, it is a bit slow, but does ok. I haven't shot what I have in years. N130, a bit slow for the BR, but when you find the right load and seating depth it works....AND IS AVAILABLE, or has been.
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