9mm energy comparison

[peterb]

I took a couple of first-timers to the range this week, and both were surprised by the recoil of the G19. I was using my usual Lawman 147 which I thought was milder than the the 115 or 124 practice loads I’ve tried. So I looked up some muzzle energy numbers as an approximation of percieved recoil and found a couple of interesting things. I used Federal/Speer data for consistency.

First, a couple of defense loads for comparison:
HST 124+P 396 ft-lbs
HST 147 326
Gold Dot 147 317

Practice loads:
Lawman 115 368
AE 115 356
Lawman 124 327
AE 124 364
Lawman 147 317
AE 147 326

AE Supressor 124 292
Syntech Action Pistol 252

I had always thought of Lawman and American Eagle to be roughly the same, but if the numbers are accurate the 124 appears to be an outlier. Velocity is listed as 1090 vs. 1150.

The Supressor 124 and especially the Syntech 150 look like they might be good new shooter/fun shooting rounds. I haven’t tried either yet.

I’ll keep using 147 loads for training because I carry 147 HST.

[Jamie]

That's interesting data.

I don't know if you handload or not, but we(friends/group) have a 160 gr 9mm we cast and powder coat (147 gr die but our lead mixture yields the 160 gr) that's great for new shooters.

I use 2.6 grs of Titegroup and the average velocity is 824 fps (PF = 132) out of my Glock 17. According to the Beartooth website calculator that yields approximately 241 ft pounds.
It's an incredibly soft shooting load and generally gives me about 2-4 inches at 25 yards. A better shooter than I could most likely shoot much smaller groups.

It's good to know that there are rounds commercially produced in this range.

[TiroFijo]

http://www.shooterscalculator.com/recoil-calculator.php

What you are trying to do is a recoil impulse comparison...

It depends on mass and velocity (for bullet and propellant) , not energy.

[the Schwartz]

I took a couple of first-timers to the range this week, and both were surprised by the recoil of the G19. I was using my usual Lawman 147 which I thought was milder than the the 115 or 124 practice loads I’ve tried. So I looked up some muzzle energy numbers as an approximation of percieved recoil and found a couple of interesting things. I used Federal/Speer data for consistency.

First, a couple of defense loads for comparison:
HST 124+P 396 ft-lbs
HST 147 326
Gold Dot 147 317

Practice loads:
Lawman 115 368
AE 115 356
Lawman 124 327
AE 124 364
Lawman 147 317
AE 147 326

AE Supressor 124 292
Syntech Action Pistol 252

I had always thought of Lawman and American Eagle to be roughly the same, but if the numbers are accurate the 124 appears to be an outlier. Velocity is listed as 1090 vs. 1150.

The Supressor 124 and especially the Syntech 150 look like they might be good new shooter/fun shooting rounds. I haven’t tried either yet.

I’ll keep using 147 loads for training because I carry 147 HST.

If you are mathematically inclined (the math involved is really pretty simple) and want to go with a ''hands on'' approach to getting the answers to your questions, you can find all of the formulas that you need to evaluate recoil velocity and energy of a load through a given gun here:

https://saami.org/wp-content/uploads...018-07-9-1.pdf

Of course, for factory ammo, you would have to pull a few bullets to weigh out the charges for each different load to get an average charge weight.

[daved20319]

There's a good calculator here: http://www.handloads.com/calc/recoil.asp. Note that the actual numbers have little to do with felt recoil, that tends to be highly subjective, I enjoy large caliber handguns, but am a complete wimp when it comes to rifles, anything heavier than a .223 and I'm not having a good time. Later.

Dave