45 ACP +P & Universal - Page 2

Marco Califo · September 5, 2022, 09:45 PM

Mehavey, did you notice muzzle flash using Longshot? I have a pound but have not loaded any yet. Longshot is perfect powder for 40SW.
Hornady is conservative with the load data they publish. I haveLyman 50, and they are also conservative. I like Lyman for cast bullet COAL, but not the load data.
Speer online data is my best source for faster loads.

mehavey · September 5, 2022, 11:23 PM

Daylight firing, Marco.
But nothing remarkable.
Adjusted/corrected/QL says 91%+ burn in that 5" barrel ~ 17,500psi

The problem with Speer Online is that we have no idea of the barrel used.
Note that the 917fps listed for 6.0gr Universal would necessarily require a 6-7" barrel.
(and it disagrees w/ the their book.)

`tis a puzzlement.`

.

markr6754 · September 6, 2022, 04:31 PM

Sorry to pop in after everyone's finished eating...but a I missing something.

This entire thread is about 45 Auto rounds...and suddenly, there's a picture of a 45 Long Colt bullet with load data and before and after bullet weights. Did the subject change somewhere? I read every post...but I may have missed something.

One cannot use 45 Auto data and 45 LC data interchangeably.

Forgive me if I err!

mehavey · September 6, 2022, 05:05 PM

Post#12 was looking only at the expansion factor of a 250gr/45/pure lead
bullet going at the sought-after 900++ fps velocity. Using 45 Colt was easiest to
use for that purpose given 45ACP/Universal at that speed was ..."problematic"

Bullets arriving don't care how they start.
Only how they end up.

September 5, 2022, 09:45 PM	#26
Marco Califo Senior Member Join Date: April 4, 2011 Location: LA (Greater Los Angeles Area) Posts: 2,598	Mehavey, did you notice muzzle flash using Longshot? I have a pound but have not loaded any yet. Longshot is perfect powder for 40SW. Hornady is conservative with the load data they publish. I haveLyman 50, and they are also conservative. I like Lyman for cast bullet COAL, but not the load data. Speer online data is my best source for faster loads. __________________ ............

September 5, 2022, 11:23 PM	#27
mehavey Senior Member Join Date: June 17, 2010 Location: Virginia Posts: 6,894	Daylight firing, Marco. But nothing remarkable. Adjusted/corrected/QL says 91%+ burn in that 5" barrel ~ 17,500psi The problem with Speer Online is that we have no idea of the barrel used. Note that the 917fps listed for 6.0gr Universal would necessarily require a 6-7" barrel. (and it disagrees w/ the their book.) `tis a puzzlement.` . Last edited by mehavey; September 5, 2022 at 11:31 PM.

September 6, 2022, 04:31 PM	#28
markr6754 Senior Member Join Date: February 19, 2018 Location: Centerville, OH Posts: 347	Sorry to pop in after everyone's finished eating...but a I missing something. This entire thread is about 45 Auto rounds...and suddenly, there's a picture of a 45 Long Colt bullet with load data and before and after bullet weights. Did the subject change somewhere? I read every post...but I may have missed something. One cannot use 45 Auto data and 45 LC data interchangeably. Forgive me if I err! __________________ “Draw me not without reason, sheath me not without honor.”

September 6, 2022, 05:05 PM	#29
mehavey Senior Member Join Date: June 17, 2010 Location: Virginia Posts: 6,894	Post#12 was looking only at the expansion factor of a 250gr/45/pure lead bullet going at the sought-after 900++ fps velocity. Using 45 Colt was easiest to use for that purpose given 45ACP/Universal at that speed was ..."problematic" Bullets arriving don't care how they start. Only how they end up.