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gunauthor
11-25-2017, 05:36 PM
I am getting ready to start reloading 450 Bushmaster and am looking for plinking load (approx. 1000 fps) using a 230 grain roundnosed boolit and 700X powder. Any thoughts on the subject would be appreciated.
Ramjet-SS
11-25-2017, 05:44 PM
Just use Unique 10 grains to start with.
OlDeuce
12-04-2017, 07:44 PM
I am getting ready to start reloading 450 Bushmaster and am looking for plinking load (approx. 1000 fps) using a 230 grain roundnosed boolit and 700X powder. Any thoughts on the subject would be appreciated.

that is a good starting point !!!! Ol Deuce
hanleyfan
12-05-2017, 01:55 PM
why do people use pistol powder to load a rifle load?
lucifers
12-05-2017, 01:59 PM
Unique is called unique because it is not just pistol powder.

Used it for years in my 16 bore shotgun as well as numerous rifles and handguns.

On the 450 BM 45 Colt loads will all work very well. A 45 ACP boolit may not be the best choice. Would also be a blast with round balls as well.
OlDeuce
12-07-2017, 01:50 AM
I did the 458x2 winchester mag ! and used 45gr of IMR3031 it was a little stout but it was 10gr below the starting Gr. published !!! these Large
bore 2'' cases are fun to plink with ! a Great tin can shooter LoL

Ol Deuce
OlDeuce
12-07-2017, 04:01 PM
why do people use pistol powder to load a rifle load?

My powder can is kinda UNIQUE LoL....It's for Rifles Pistols and Scatter Guns!!!! Tehehe

https://s20.postimg.org/hdtsrhsct/IMG_1259.jpg (https://postimg.org/image/yr436cnnt/)

:2_high5::guntootsmiley::guntootsmiley::guntootsmi ley:

Ol Deuce
0verkill
06-10-2020, 10:23 AM
Old thread, but I'm kinda in the same boat with the same gun. Any ideas?
richhodg66
06-10-2020, 01:45 PM
It would seem like you could look up .45 Colt data and likely use closer to the max loads in the Bushmaster. My Lyman manual has 700X data for several bullets in the .45 Colt.

That said, ten grains of Unique sure seems like a good place to start in most rifle cases.
0verkill
06-11-2020, 04:24 PM
I loaded up a few with 1.3cc of TrailBoss this morning just to see how they did. Didn't chronograph or anything, just to see if LEE's 200gr SWC would even make it out the barrel and to the target. They made it out and the barrel was pretty clean but the group was about the size of my hand at 25 yards. I was in a hurry so that's one problem. I'll weigh out a few charges this weekend and see how they do. Might try some Red Dot too since I don't have any Unique (I know, it's heresy).