.22 Hornet velocties

ELMOUSMC · May 14, 2011, 11:56 AM

I have a Savage model 40 .22 Hornet that I handload for.I use the Hornady and Hodgdon manuals for my load data.Yesterday I was shooting over a chronograph and I was getting velocities that were 3 or 4 hundred FPS faster than the listed velocities in either manuals-the load is 12.0 grains Li'l gun WW brass,small pistol primers and 34 grain Midway Dogtown Hp bullets
The velocities listed in both manuals is between 2830 fps and 2870 My first 5 shot string averaged 3220 fps and my next string ran an average of 3180 I am wondering if the manuals are going low on the potental velocities or the fact that the loads listed are for 35 grain bullets makes that much of a difference in velocities-I am not seeing any pressure issues at all.Does anyone have any idea what is going on here-the groups are holding tight .5 inch groups at 200 yds
ELMOUSMC

Sensai · May 14, 2011, 12:17 PM

My Savage 340 is running 3120 with Sierra 45 gr and 12.5 grains of LilGun. This is almost identical to the 45 grain commercial loads (Serbian made Privi Partisan) that I buy for the brass. I haven't loaded any 34 grainers, though.

FrankenMauser · May 14, 2011, 12:45 PM

The 35 grain bullets in the Hornady and Hodgdon manuals are the V-Max. If I remember correctly, the 35 gr V-Max has substantially more bearing surface than the 34 gr DogTown.

....But that shouldn't be the only difference, for such a dramatic disparity in velocity. Is your scale calibrated? Are you reloading with a ceiling fan on or heat/AC vent open?

Loader9 · May 14, 2011, 03:54 PM

Probably nothing wrong with the scale. I've got a Ruger #1 and a CZ in 22 Hornet and both are busting 3000'ps with the 45 gr Remington HPs and I'm not at max yet on either one. Neither show any signs of pressure on the thinner than paper brass. If you start having split necks after just a couple of firings, you probably are pushing them too hard.

ELMOUSMC · May 14, 2011, 10:16 PM

I have scaled my loads and have found that the case holds 12grains or in other words a full case is right at 12 grains.I get 4 or 5 reloads on my brass before I have any case issues.The reason I posted was because of the much higher velocities I was seeing as compared to what the manuals rated the loads at.and was wondering if anyone else had seen the same difference in rated velocities and actual velocities when chronographing a load
ELMOUSMC

May 14, 2011, 12:17 PM	#2
Sensai Member Join Date: October 14, 2008 Location: Southeastern Virginia Posts: 86	My Savage 340 is running 3120 with Sierra 45 gr and 12.5 grains of LilGun. This is almost identical to the 45 grain commercial loads (Serbian made Privi Partisan) that I buy for the brass. I haven't loaded any 34 grainers, though. __________________ Gary Take-offs are optional, landings are manditory!!

May 14, 2011, 12:45 PM	#3
FrankenMauser Senior Member Join Date: August 25, 2008 Location: In the valley above the plain Posts: 13,424	The 35 grain bullets in the Hornady and Hodgdon manuals are the V-Max. If I remember correctly, the 35 gr V-Max has substantially more bearing surface than the 34 gr DogTown. ....But that shouldn't be the only difference, for such a dramatic disparity in velocity. Is your scale calibrated? Are you reloading with a ceiling fan on or heat/AC vent open? __________________ Don't even try it. It's even worse than the internet would lead you to believe.

May 14, 2011, 10:16 PM	#5
ELMOUSMC Senior Member Join Date: June 26, 2007 Location: N.E.IOWA Posts: 384	I have scaled my loads and have found that the case holds 12grains or in other words a full case is right at 12 grains.I get 4 or 5 reloads on my brass before I have any case issues.The reason I posted was because of the much higher velocities I was seeing as compared to what the manuals rated the loads at.and was wondering if anyone else had seen the same difference in rated velocities and actual velocities when chronographing a load ELMOUSMC __________________ USMC 1965-1992 For God,Country,Corps

May 14, 2011, 11:56 AM	#1
ELMOUSMC Senior Member Join Date: June 26, 2007 Location: N.E.IOWA Posts: 384	.22 Hornet velocties I have a Savage model 40 .22 Hornet that I handload for.I use the Hornady and Hodgdon manuals for my load data.Yesterday I was shooting over a chronograph and I was getting velocities that were 3 or 4 hundred FPS faster than the listed velocities in either manuals-the load is 12.0 grains Li'l gun WW brass,small pistol primers and 34 grain Midway Dogtown Hp bullets The velocities listed in both manuals is between 2830 fps and 2870 My first 5 shot string averaged 3220 fps and my next string ran an average of 3180 I am wondering if the manuals are going low on the potental velocities or the fact that the loads listed are for 35 grain bullets makes that much of a difference in velocities-I am not seeing any pressure issues at all.Does anyone have any idea what is going on here-the groups are holding tight .5 inch groups at 200 yds ELMOUSMC __________________ USMC 1965-1992 For God,Country,Corps

May 14, 2011, 03:54 PM	#4
Loader9 Senior Member Join Date: July 29, 2008 Posts: 949	Probably nothing wrong with the scale. I've got a Ruger #1 and a CZ in 22 Hornet and both are busting 3000'ps with the 45 gr Remington HPs and I'm not at max yet on either one. Neither show any signs of pressure on the thinner than paper brass. If you start having split necks after just a couple of firings, you probably are pushing them too hard.