American Hunter - April 2010 - 57

Chamber Pressure 30.06 150 gr. SST

Hornady Manufacturing
Chamber Pressure (psi) X10,000

6

Chamber Pressure
5

800-338-3220 ■ www.hornady.com
■ Cartridges Offered: .243 Win. through .458 Win. Mag. ■ Bullet Type: SST (lead-core, polymer tip); GMX (solid copper, polymer tip) ■ MSRP per Box of 20 (average): .243 Win. 95-grain SST, $35; .25-06 Rem. 117-grain SST, $39.48; .30-06 165-grain SST $36.93

30-06 150-gr. SST
Bullet Muzzle Exit

4

3

2

Custom @ 2927 fps Superformance @3065 fps Light Magnum @ 3067 fps

1

0

rifle with a -inch barrel. (Many thanks to e Bullet Works, www.thebulletworks. net, for supplying the .- Custom ammo during the current ammo crunch.) I found that the .- Superformance ammo had a  fps increase in the -inch barrel and  fps increase in the -inch barrel over the Custom load. Out of a -inch .- rifle barrel, the Superformance ammo was  fps faster than the same bullet from the Custom line of ammo. e average increase in velocity for Superformance over Custom for all three test loads was . fps. Hornady claims a - fps gain, so this is in the low end of the range, but  fps is significant. If you doubt that, consider that with a -grain bullet the difference between the . Win. and the .- Springfield is  fps. Brag validated. I tested Superformance and Custom head to head for accuracy in two rifles. I fired the American Hunter standard of three, three-shot groups, and then I averaged the groups. Fired out of my Kimber .-, the Superformance was . inch more accurate. In the .- the Superformance ammo also averaged . inch better. Although I didn’t have . Custom ammo to fire in my Remington Model  for direct comparisons, I can tell you that I have owned this rifle for  years and have shot more groups with it than I can count. I don’t recall a factory load shooting any better than the Superformance -grain  load—it averaged . inch at an average velocity of . My conclusion—at least in my rifles— is that Superformance’s accuracy is slightly better than Custom and, based on past testing, better across the board than Light Magnum. Brag validated.

Accuracy

has been around the gun industry for sev- except a gun geek how the recoil is general years. It theorizes that after the bullet erated. Most hunters just want to know escapes from the bore, the escaping gases how hard it kicks. For a less scientific that follow act like a rocket as they exit the but far more understandable test, two bore to push back against the rifle, thereby shooters conducted a blind test by using both Custom and Superformance loads increasing recoil. Hornady’s testing shows that  to  in two different rifles, a .- and a percent of recoil occurs after the bullet .-. We loaded the rifles without the exits the muzzle, and so its engineers are shooter able to see the sequence of the concluding that most of that is from the cartridges, which were loaded randomly rocket effect. For the record, other promi- so that no pattern would emerge. en the nent ballisticians in this industry dispute shooter fired the two cartridges quickly and declared which recoiled more. After that conclusion. Dave Emary, Hornady’s chief ballisti- multiple tests both shooters picked the cian, has conducted a test that shows the Superformance as having slightly more recoil from Superformance is lower than recoil than Custom of the same caliber. My data show that with Superforthat of Light Magnum and higher than that of the company’s Custom line. His con- mance, you pick up a small increase in clusion is that because the new powder is velocity in trade for a small increase in more efficient and more of the powder is recoil (compared to Custom). Or simply burned inside the barrel, the pressure upon put, the laws of physics are still intact. bullet exit is lower. is in turn reduces the Is the brag validated? I could not test rocket effect of the escaping gases, mak- Light Magnum, which is what Hornady’s ing the recoil for the Superformance lower reduced recoil claim is compared against. than Light Magnum. But the recoil levels were as claimed for I ran the numbers for the ammo I tested Superformance vs. Custom, so I would with a computer program that calculates say yes, brag validated. recoil, using the weight of the bullet and powder charge and muzzle velocity. I used The Bottom Line an -pound rifle for all calculations. In .- After shooting hundreds of rounds of Horthe Superformance generated . ft.-lbs. of nady ammo during some very rigid testing recoil, while the same load in the Custom protocols, I think something very clear has ammo produced . ft.-lbs. In .-, the emerged: Hornady’s new Superformance Superformance demonstrated . ft.-lbs. of hunting loads raise ammo performance to the next level. It’s like Dizzy Dean said: “It recoil, while Custom measured . ft.-lbs. I suppose it doesn’t matter to anybody ain’t bragging if you can do it!” ah

Accuracy Results
Load

Photos: Author

Recoil

Hornady Superformance SST Hornady Custom SST Hornady Superformance SST Hornady Custom SST

e theory of the “rocket effect” on recoil

* 24" Barrel | Outdoors | Benchrest | 100 yards | 3-Shot Groups

0.17 .019 0.21 0.23 2.25 0.27 0.29 0.31 0.33 0.35 0.37 0.39 0.41 0.43 0.45 0.47 0.49 0.51 0.53 0.55 0.57 0.59 0.61 0.63 0.65 0.67 0.69 0.71 0.73 0.75 0.77 0.79 0.81 0.83 0.85 0.87 0.89 0.91 0.93 0.95 0.97 0.99 1.01 1.03 1.05 1.07 1.09 1.11 1.13 1.15 1.17 1.19 1.21 1.23 1.25 1.27

Time (msec)

Superformance vs. Custom
Caliber Muzzle Bullet Velocity (fps) * Weight (gr.) Powder Recoil Charge (gr.) Energy (ft.-lbs.) Accuracy

.25-06 Rem. .25-06 Rem. .30-06 .30-06

3115 3006 2945 2818

117 117 165 165

61.4 52.2 60.1 58.9

14.7 12.4 20.9 19.4

1.0" 1.2" 1.5" 1.7"

American Hunter

April 2010

57


http://www.hornady.com http://www.thebulletworks.net http://www.thebulletworks.net

American Hunter - April 2010

Table of Contents for the Digital Edition of American Hunter - April 2010

American Hunter - April 2010
Contents
Says You
Armed Citizen
Standing Guard
President’s Column
Bloomberg to Obama: Take “Federal Action”
First Light
Know-How
Gundogs
Gobblers in Paradise
New Guns and Gear Preview
Members’ 2009 Photo Album
Reflections on Turkey Madness
Hornady Superformance
Federal Premium HW 20-Ga.
Gear
Political Report
ILA Report
Member Info & Benefits
Regional Report
NRA Board Spotlight
NRA Woman’s Voice
Member’s Hunt
American Hunter - April 2010 - American Hunter - April 2010
American Hunter - April 2010 - Cover2
American Hunter - April 2010 - 1
American Hunter - April 2010 - Contents
American Hunter - April 2010 - 3
American Hunter - April 2010 - 4
American Hunter - April 2010 - 5
American Hunter - April 2010 - 6
American Hunter - April 2010 - 7
American Hunter - April 2010 - Says You
American Hunter - April 2010 - 9
American Hunter - April 2010 - Armed Citizen
American Hunter - April 2010 - 11
American Hunter - April 2010 - Standing Guard
American Hunter - April 2010 - 13
American Hunter - April 2010 - President’s Column
American Hunter - April 2010 - 15
American Hunter - April 2010 - Bloomberg to Obama: Take “Federal Action”
American Hunter - April 2010 - 17
American Hunter - April 2010 - 18
American Hunter - April 2010 - 19
American Hunter - April 2010 - 20
American Hunter - April 2010 - 21
American Hunter - April 2010 - First Light
American Hunter - April 2010 - 23
American Hunter - April 2010 - 24
American Hunter - April 2010 - 25
American Hunter - April 2010 - 26
American Hunter - April 2010 - 27
American Hunter - April 2010 - Know-How
American Hunter - April 2010 - 29
American Hunter - April 2010 - Gundogs
American Hunter - April 2010 - 31
American Hunter - April 2010 - Gobblers in Paradise
American Hunter - April 2010 - 33
American Hunter - April 2010 - 34
American Hunter - April 2010 - 35
American Hunter - April 2010 - New Guns and Gear Preview
American Hunter - April 2010 - 37
American Hunter - April 2010 - 38
American Hunter - April 2010 - 39
American Hunter - April 2010 - 40
American Hunter - April 2010 - 41
American Hunter - April 2010 - 42
American Hunter - April 2010 - 43
American Hunter - April 2010 - 44
American Hunter - April 2010 - 45
American Hunter - April 2010 - 46
American Hunter - April 2010 - 47
American Hunter - April 2010 - Members’ 2009 Photo Album
American Hunter - April 2010 - 49
American Hunter - April 2010 - 50
American Hunter - April 2010 - 51
American Hunter - April 2010 - 52
American Hunter - April 2010 - 53
American Hunter - April 2010 - Reflections on Turkey Madness
American Hunter - April 2010 - 55
American Hunter - April 2010 - Hornady Superformance
American Hunter - April 2010 - 57
American Hunter - April 2010 - Federal Premium HW 20-Ga.
American Hunter - April 2010 - 59
American Hunter - April 2010 - Gear
American Hunter - April 2010 - 61
American Hunter - April 2010 - Political Report
American Hunter - April 2010 - 63
American Hunter - April 2010 - ILA Report
American Hunter - April 2010 - 65
American Hunter - April 2010 - Regional Report
American Hunter - April 2010 - NRA Board Spotlight
American Hunter - April 2010 - 66a
American Hunter - April 2010 - 67a
American Hunter - April 2010 - 66b
American Hunter - April 2010 - 67b
American Hunter - April 2010 - 66c
American Hunter - April 2010 - 67c
American Hunter - April 2010 - 66d
American Hunter - April 2010 - 67d
American Hunter - April 2010 - NRA Woman’s Voice
American Hunter - April 2010 - 69
American Hunter - April 2010 - 70
American Hunter - April 2010 - 71
American Hunter - April 2010 - Member’s Hunt
American Hunter - April 2010 - Cover3
American Hunter - April 2010 - Cover4
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