Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Reloading
Which comes first, the chicken or the egg? Charge weight or seating depth…
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="QuietTexan" data-source="post: 2274311" data-attributes="member: 116181"><p>I don't think there's one sure way to skin this cat, depends so much on what exactly you're doing and looking for.</p><p></p><p>I didn't see anyone has said anything about being length restricted yet, so if I'm limited by that then I start at either book COL, max mag length, or the cannelure Hornady puts on the SSTs, and do a powder ladder.</p><p></p><p>My most recent development plan was a 50-round test that was a mini-ladder from my starting charge to 93% max charge, then a 30 round seating depth test, then a powder ladder at the best depth (mini-ladder and full ladder were 20 rounds total). I was not looking for two things from this - max pressure and max velocity. Just a nice good shooting load to hit steel with, and it doubles fine for hunting pigs out to 800 yards. This was a powder I'd used in the case before.</p><p></p><p>My plan for Hammers is to set the COL at the last PDR, and run several different powders looking for pressure.</p><p></p><p>Last year on a 300 RUM with Berger VLDs and Nosler ABLRs I did seating depth testing first, and there was some serious group size differences on the seating depth, especially the ABLRs. The difference was drastic enough that starting at 0.020" off the lands with that bullet would have been a fool's errand. Nosler notes to jump the ABLR on their page, and sure enough book COL was were it ended up.</p><p></p><p>My plan for my new range rifle barrel (6.5-284 in a long action, so should be no OAL limit) is test a couple powders at 0.020"-ish off the lands, then do depth then back to powder, then all the other variables. And probably won't stop changing things until the barrel is done since this will be my first time out with this cartridge.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2274311, member: 116181"] I don't think there's one sure way to skin this cat, depends so much on what exactly you're doing and looking for. I didn't see anyone has said anything about being length restricted yet, so if I'm limited by that then I start at either book COL, max mag length, or the cannelure Hornady puts on the SSTs, and do a powder ladder. My most recent development plan was a 50-round test that was a mini-ladder from my starting charge to 93% max charge, then a 30 round seating depth test, then a powder ladder at the best depth (mini-ladder and full ladder were 20 rounds total). I was not looking for two things from this - max pressure and max velocity. Just a nice good shooting load to hit steel with, and it doubles fine for hunting pigs out to 800 yards. This was a powder I'd used in the case before. My plan for Hammers is to set the COL at the last PDR, and run several different powders looking for pressure. Last year on a 300 RUM with Berger VLDs and Nosler ABLRs I did seating depth testing first, and there was some serious group size differences on the seating depth, especially the ABLRs. The difference was drastic enough that starting at 0.020" off the lands with that bullet would have been a fool's errand. Nosler notes to jump the ABLR on their page, and sure enough book COL was were it ended up. My plan for my new range rifle barrel (6.5-284 in a long action, so should be no OAL limit) is test a couple powders at 0.020"-ish off the lands, then do depth then back to powder, then all the other variables. And probably won't stop changing things until the barrel is done since this will be my first time out with this cartridge. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Reloading
Which comes first, the chicken or the egg? Charge weight or seating depth…
Top