max OAL for .38 long colt?

M14MSgt · October 9, 2009, 04:38 PM

anyone know what the MAX OAL for .38 LC, 158g RNFP lead cast bullet, with 3.2 g of Hodgdon Titegroup powder would be??

wncchester · October 9, 2009, 04:40 PM

That's a revolver cartridge. If the bullet is seated deep enough for the cylinder to turn it's not too long.

**Unclenick** · October 9, 2009, 06:07 PM

I thought I put the official SAAMI COL in your other thread on this round, but I hadn't. It's there now. Instead I'd put the seating depth for a particular bullet. The SAAMI spec is 1.360" COL.

Russ5924 · October 9, 2009, 06:08 PM

I come up with 1.400 Cola

**Unclenick** · October 9, 2009, 06:41 PM

And the Wolfe book Illustrated Cartridge Reference Dimensions puts it at 1.325". So that's three sources with three results. Looks like checking the cylinder fit is going to be the practical measure. I keep meaning to buy the full set of SAAMI drawings, and I'm starting to think I should break out the credit card and do that.

October 9, 2009, 04:38 PM	#1
M14MSgt Senior Member Join Date: August 11, 2007 Location: Lancaster CA Posts: 105	max OAL for .38 long colt? anyone know what the MAX OAL for .38 LC, 158g RNFP lead cast bullet, with 3.2 g of Hodgdon Titegroup powder would be??

October 9, 2009, 06:07 PM	#3
Unclenick Staff Join Date: March 4, 2005 Location: Ohio Posts: 21,063	I thought I put the official SAAMI COL in your other thread on this round, but I hadn't. It's there now. Instead I'd put the seating depth for a particular bullet. The SAAMI spec is 1.360" COL. __________________ Gunsite Orange Hat Family Member CMP Certified GSM Master Instructor NRA Certified Rifle Instructor NRA Benefactor Member and Golden Eagle

October 9, 2009, 06:08 PM	#4
Russ5924 Senior Member Join Date: February 18, 2005 Posts: 1,874	I come up with 1.400 Cola __________________ Russ5924

October 9, 2009, 06:41 PM	#5
Unclenick Staff Join Date: March 4, 2005 Location: Ohio Posts: 21,063	And the Wolfe book Illustrated Cartridge Reference Dimensions puts it at 1.325". So that's three sources with three results. Looks like checking the cylinder fit is going to be the practical measure. I keep meaning to buy the full set of SAAMI drawings, and I'm starting to think I should break out the credit card and do that. __________________ Gunsite Orange Hat Family Member CMP Certified GSM Master Instructor NRA Certified Rifle Instructor NRA Benefactor Member and Golden Eagle

October 9, 2009, 04:40 PM	#2
wncchester Senior Member Join Date: December 1, 2002 Posts: 2,832	That's a revolver cartridge. If the bullet is seated deep enough for the cylinder to turn it's not too long.