Bullseye load data needed

[Sgt Hochbauer]

I have 170 gr bullets but did not find load data for bullseye powder for that weight bullet. Any info would be appreciated. Yes, I did look in a current reloading manual.

TIA

 

Hochbauer

[Garrison Joe]

Sounds like you are making a load for Wild Bunch in .45 Auto.  Be VERY aware that the minimum bullet weight allowed for 1911 .45 auto ammo HAS been 180 grain, and now is cited (wrong) in the rules as "minimum bullet weight for the 1911 pistol is .45 ACP"   Per the current rulebook.  😄

Whether that 170 grain slug would be match legal is, as far as I can tell, up for questioning due to this typo.

The current Lyman Cast Bullet Loading handbook (4th ed) shows 170 grain cast slug load data of 5.8 to 6.4 grains of Bullseye, making from 971 to 1048 FPS.  An old Lyman handbook (48th edition) shows charges as low as 3.5 grains of Bullseye with a 185 grain bullet (probably used for bullseye target shooting).  You just didn't look in the right current loading manual.

Pick what power factor you are wanting to make (150 is the new minimum for the handgun), and you can figure out what powder weight you want to drop.   My guess would be about 885 FPS (making that 150 powder factor) and that might be obtained with about 5.0 to 5.2 grains of Bullseye.   Chrono your loads if these are to be used in important matches!  good luck, GJ

[marshal stone]

On 7/5/2026 at 6:00 AM, Garrison Joe said:

Sounds like you are making a load for Wild Bunch in .45 Auto.  Be VERY aware that the minimum bullet weight allowed for 1911 .45 auto ammo HAS been 180 grain, and now is cited (wrong) in the rules as "minimum bullet weight for the 1911 pistol is .45 ACP"   Per the current rulebook.  😄

 

 

WRONG. 

Page 32 of the current rule book under 1911 Pistol and Rifle Ammunition clearly states,

1911 pistol ammunition must have a minimum bullet weight of 177 gr.

Marshal Stone

[Garrison Joe]

Quote

Page 32 of the current rule book under 1911 Pistol and Rifle Ammunition clearly states,

1911 pistol ammunition must have a minimum bullet weight of 177 gr.

OK, that's in version 17.7.  I had version 17.6, but I've now updated!   I see though that 17.7 says it highlights all changes in yellow, but the change from the 17.6 nonsense did not get highlighted in version 17.7.  

So, the point being made to the OP is that he is asking about a bullet weight that is illegal under the WB rules.

good luck, GJ