Handloading: Hornady Action Pistol (HAP) Bullet

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I recently ordered and loaded over 1,000 Hornady HAP bullets. I wanted to see how these bullets performed. While I have never said the 9mm is my favorite cartridge, I fire more 9mm Luger cartridges than any other, perhaps 10:1, so maybe I need to reassess my preferences.

Artist drawing of a Hornady HAP bullet with cutaway section
This is a highly-developed bullet from Hornady—a premier ammunition manufacturer.

The 9mm is a high velocity number with plenty of power for most handgun pursuits. In particular, the 9mm is a great 3-gun caliber and can be an accurate cartridge with proper load technique. The Hornady Action Pistol bullet is based on one of the finest handgun bullets ever designed. The Hornady Extreme Terminal Performance (XTP) offers a good balance of expansion and penetration in every caliber. As a bonus, accuracy potential has proven to be excellent.

The HAP is designed for use in pistol competition. There is no need for expansion in pistol competition. A hollow point bullet is desirable as the balance for accuracy is easier to obtain than with a round nose bullet.

The HAP was designed to mimic the length and profile of the XTP bullet. The XTP was refined for personal defense and service use while the HAP is designed for action pistol use. The HAP design eliminates the serrations employed by the XTP near the bullet nose. These serrations, or scallops, are intended to weaken the jacket and allow good expansion even at modest velocity.

Since expansion isn’t needed in a target bullet the serrations are deleted. The nose is kind of closed over, creating what Hornady calls a protected nose. This results in nearly unparalleled feed reliability. The jackets feature the famous Hornady concentricity that makes for excellent accuracy. The lead core is cold swaged.

Bullet holes in a target
The HAP demonstrated excellent all-around accuracy.

When I examined the bullet nose under magnification, the nose appeared to be closed more so than the XTP. No exposed lead was evident. Modern 9mm handguns often feed well, but this bullet is a sure thing.


The HAP bullet is offered in the following variations.

  • 9mm .355 inch
  • 9mm .356 inch
  • 10mm .400 inch
  • 10mm .451 inch
    • 185-grain
    • 200-grain
    • 230-grain

And perhaps, a couple I have missed.

My primary experience is with 9mm bullets. I have also used the 230-grain .45 caliber HAP with excellent results. I am going to outline the procedure I used in loading the 9mm HAP. I recently obtained a complete Lyman reloading kit—an excellent investment in a great hobby, handloading.

Bob Campbell shooting a pistol offhand
Firing offhand an 1,100 fps 9mm load is easy to control and allows concentration on marksmanship.

The 9mm is a cartridge that is easy to load. The 9mm isn’t exactly a straight walled case like the .45 ACP. It is slightly tapered. Be certain that the case mouth is only slightly belled during loading. The case length should be .755 inch. Shorter and longer cartridge cases impede feeding. Slightly flare the neck before seating the bullet, just enough to get the bullet started. Next, use a taper crimp which presses the case mouth into the bullet. A roll crimp will eliminate the case mouth, and since the 9mm headspaces on the case mouth this will destroy accuracy.

The 115-grain HAP is a good, general practice and target bullet. There is no exposed lead and the bullet seats easily. I use Hodgdon’s Titegroup for many of my loads. Accuracy potential is high, and the powder burns clean. From the Glock 17 9mm 4.2 grains of Titegroup generates about 1,050 fps and offers good accuracy. The overall length is 1.13 inches. Be certain not to work up powder charges more than increments of .1 grain for safety.

Another load that has given good results with the 115-grain XTP for many years is a standard charge of 6.0 grains of Unique for 1,100 fps. I worked up to this load with the HAP bullet. Accuracy and feed reliability were excellent. I had on hand a good supply of Universal powder and applied it to the 124-grain 9mm. 3.8 grains generated 900, however, at times, this did not fully function the slide in the SIG P250 I was working with.

Hornady HAP 230-grain bullet
This is the 230-grain .451-inch HAP.

I gradually increased the load to 4.4 grains and broke 1,100 fps with excellent results. The HAP is primarily a competition load designed for economy and feed reliability, and the bullet proved quite accurate in my personal pistols. The Glock 34 delivered several 1.5-inch 25-yard groups with the HAP/Titegroup combination.

Handloaders strive for reliability, accuracy, and economy. The HAP has equal advantages in each. The closed-over nose promotes reliability, the bullet is quite accurate, and without the extra steps in cutting serrations in the jacket nose, the bullet is more economical than the XTP. This is a winning combination.

Do you handload? Have you tried the Hornady HAP? What is your favorite load? Share your answers in the comment section.

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1 Comment

  1. Must be nice to publish a ton of my work for free. That’s stealing. The last sleazy web site that did this received an unwanted visit from Homeland Security.

    I think it would be good to remove all of my work. And no despite your disclaimer it isn’t legal. I suppose right and moral doesn’t matter but it isn’t legal.
    Bob Campbell

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