Reloading Data Help

Talk about your 450b reloading experience, ask questions, etc...

Moderator: MudBug

Forum rules
Please try and keep it safe!

This information is the responsibility of the community, not the forum. 450bushmaster.net is not responsible if you blow yourselves up.

Re: Reloading Data Help

Postby shooter75 » Thu Oct 19, 2017 11:43 am

Thanks guys for the help. Tex what grain increment would you suggest for the ladder pressure test. They say 1% of charge weight, but could i go a 1/2 grain increments??
shooter75
 
Posts: 28
Joined: Sun Sep 10, 2017 10:31 pm

Re: Reloading Data Help

Postby Bmt85 » Thu Oct 19, 2017 1:03 pm

1/2 grain increments are fine. I bump up a 1/2 grain in all my work ups for the 450B. Only if loads have used by quite a few people here will I move up in 1 grain increments. That's me though.
Also on another note I know Tex has done extensive work with 230gr pistol bullets, this bullet is not the same. So just work up slow and keep track of your case measurements.
Bmt85
 
Posts: 701
Joined: Wed May 18, 2016 11:13 am
Location: S.E. Michigan

Re: Reloading Data Help

Postby shooter75 » Thu Oct 19, 2017 1:21 pm

Ok half grain it is. I absolutely will. Ill post my results after the range visit this weekend.
shooter75
 
Posts: 28
Joined: Sun Sep 10, 2017 10:31 pm

Re: Reloading Data Help

Postby Texas Sheepdawg » Sun Oct 22, 2017 9:00 pm

shooter75 wrote:Thanks guys for the help. Tex what grain increment would you suggest for the ladder pressure test. They say 1% of charge weight, but could i go a 1/2 grain increments??

For Thumper I usually go in 1/2, (0.5), grain increments. But when I was working up my 230 Grain FMJs, I was more cautious because I knew I was headed into the twilight zone trying to punch a hole in 7/16” steel plates. I think some of my unpublished loads, I was going up in 0.1 grain increments once I passed the 2400FPS threshold. It proved to be a crazy amount of work and it was probably not really a good indicator. Five rounds each at 0.5 increments where much less work.
Not to mention less expensive. I ate up all of my Hornady 230 Grain flat points and I’m still kicking myself today for that.
-Texas Sheepdawg

http://youtube.com/c/TexasSheepdawg21
NRA Life Member
User avatar
Texas Sheepdawg
 
Posts: 4731
Joined: Fri Nov 05, 2010 10:55 am
Location: North Texas

Re: Reloading Data Help

Postby shooter75 » Sun Oct 29, 2017 1:32 pm

Sooo. Just got from the range and have some results from my ladder test.

RAR 450 BM 16.1" barrel
Lil Gun
Rem 9 1/2 primers
Onced fired cases
2.236" COAL
220grn Lehigh Xtreme Hunter Bullets

Grains - FPS

38.0 - 2,512
38.5 - 2,414
39.0 - 2,549
39.5 - 2,573
40.0 - 2,592
40.5 - 2,520
41.0 - 2,526 - Primer Cratering / Stopped Ladder Test

Factory Underwood Ammo - 220 Grain Xtreme Hunter

Round - FPS

1- 2,294
2 - 2,288
3 - 2,287
4 - 2,291
5 - 2,318
6 - 2,322
shooter75
 
Posts: 28
Joined: Sun Sep 10, 2017 10:31 pm

Re: Reloading Data Help

Postby Al in Mi » Sun Oct 29, 2017 2:51 pm

Factory stuff pretty consistent.

I'd be pretty happy with 2500fps thou.

How was accuracy?
User avatar
Al in Mi
 
Posts: 1982
Joined: Sat Jun 20, 2009 8:24 am

Re: Reloading Data Help

Postby shooter75 » Sun Oct 29, 2017 9:43 pm

Yeah i was impressed on the factory consistency but it grouped like crap at 50 yards. Not to impressed. The top hole was a cold bore shot.

Image


As far as the reloads ill be sticking in the 2500 fps range for sure.
shooter75
 
Posts: 28
Joined: Sun Sep 10, 2017 10:31 pm

Previous

Return to Reloading for the 450b

Who is online

Users browsing this forum: No registered users and 23 guests