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The Ultimate Reloading Manual
Wolfe Publishing Group
  • reloading manual
  • alliant reloading data
  • reloading brass
  • shotshell reloading
  • bullet reloading
The Ultimate Reloading Manual
load development

.17 Remington Fireball Handloads

Author: Patrick Meitin
Date: Apr 06 2021

Initial loads included, left to right, Hornady’s 15.5 grain NTX, Hammer Bullet’s 18 grain Dead Blow,
Nosler’s 20 grain Varmageddon, Hornady’s 20 grain Z-MAX, and Berger’s 25 grain
Flat Base Varmint. Hornady’s 25 grain V-MAX was added later.

In 1950, Remington introduced the .222 loaded in a completely unique case based on no other. It would quickly become the benchrest shooting champion – until the PPC cartridges appeared in 1974. More importantly, the .222 Remington would spawn the elongated .223 Remington, introduced in 1957 (and today is America’s most popular centerfire cartridge); and the shortened .221 Remington Fireball. The Fireball dropped in 1964 with the official introduction of the same company’s XP-100 single-shot bolt pistol and provided 90 percent of the .223 Remington’s performance while burning 35 percent less powder. This efficiency inspired some exceptional wildcat rounds, like the .20 VarTarg, and the .17 Remington Fireball (RFB) under discussion here. The .17 RFB provides 300 to 400 feet per second (fps) velocity gains over the popular .17 Hornet.

Shown for comparative size are (left to right), the .17 Hornet
developed by Hornady, .17 Remington Fireballand .17 Remington
(the original commercial .17-caliber round).
The Fireball falls in the middle regarding velocity.

The .17 RFB is nothing more than the .221 Fireball necked to .17 caliber, with case walls straightened and a 30-degree shoulder added. It took Remington until 2008 to adopt the cartridge. The round closely resembles the .17 Mach IV, created by wildcatter Vern O’Brien in the 1960s. The first commercial .17-caliber round, the .17 Remington, was hobbled by the inferior .17-caliber bullets available upon its release, often resulting in superficial wounds on animals such as coyotes.

Nolser’s 20 grain Varmageddon HP, paired with 18 grains
of Vihtavuori N133, produced this .62-inch group at 4,043 fps.
That was the best group shot with this bullet,
which were likely seated too deeply for the best accuracy.

More reliable bullets allowed .17-caliber rounds like the RFB to be run at 4,000-plus feet per second (fps) without worry of poor terminal performance. The .17 Fireball easily breaks 4,000 fps with 20-grain bullets and only 17 to 20 grains of powder. Adding 5 grains of bullet weight slows the pace to 3,750 fps but results additional large-target reliability. Pushing 20-grain bullets to even modest velocities of 3,800 fps results in high impacts on small varmints such as ground squirrels and prairie dogs. The .17 Fireball includes such mild recoil that the shooter gets to watch all the action through the scope. Small powder charges result in cleaner shooting than the .17 Remington – though all .17-caliber cartridges require frequent barrel cleaning to assure continued accuracy.

The Remington Model 700 SPS Varmint test rifles included a heavy (.82 inch at muzzle) 26-inch barrel and held a Swarovski Optik 3.5-28x50 P scope set atop Precision Hardcore Gear’s Tru-Level Picatinny rail. This is a consummate varmint rifle, including a long, heavy barrel for maximum velocity and minimal warming between shots, with molded synthetic stock and forearm vents to promote barrel cooling. The barrel and action include a protective Parkerized finish. It weighs 10.73 pounds scoped and the added Timney Trigger broke crisply at 2.08 pounds. It is my father’s favorite “rat rifle” and I was able to borrow it only because it was during the off-season.

Alliant’s Reloder 7 proved the best match for Hammer Bullets’
18 grain Dead Blow, producing this .53-inch group at 4,039 fps.
Hammer Bullets are turned from pure, nontoxic copper,
making them legal in California.

Medium-fast powders including Hodgdon’s Benchmark, H-4198, H-322 and CFE BLK, IMR-8280 XBR, Western Powder’s Ramshot X-Terminator and TAC, Accurate’s LT-30 and A-2200, Alliant’s Reloder 10x and 7, Shooters World Blackout and Vihtavuori N133 were chosen for a combination of clean-burning characteristics and maximum velocities. Bullet weights from 15.5 to 25 grains were tested. Brass is easily formed by running .221 RFB brass through .17 RFB full-length dies and trimming to 1.40 inches. Nosler unprimed brass and Federal Premium Gold Metal 201 Match Small Rifle primers were used throughout.

Precision Redding full-length Type S Match Dies with .195-inch titanium nitride sizing bushing and micro-adjustable seating-die head were used. Sizing bushings are interchangeable and available in .001-inch increments, allowing “just-right” neck tensioning to accommodate specific chambers (a micrometer is used to measure outside neck diameter of a loaded cartridge and .001-inch subtracted). The spring-loaded micrometer head allows for precise bullet seating depth.

Shooting this series during March, I’d have to await sunshine to allow employing a standard chronograph to begin testing. My LabRadar, which allows meeting deadlines during the endless overcast days of a northern Idaho winter, will not record speeds exceeding 4,000 fps. The Fireball, fed lighter bullets, is capable of velocities well in excess of 4,000 fps.

Alliant Reloder 10x excelled when paired with Hornady’s
25 grain V-MAX. Seventeen and a half grains produced the smallest group
of the entire test; .21 inch at 3,786 fps.

Up front, I expected more from this rifle. There were certainly some exceptional groups involved, but the rifle proved more finicky than I anticipated. Some seating-depth jockeying would likely reap rewards, and the stock could use some work, as a piece of paper will not slip between barrel and stock. Possibly more germane, I was unable to clean the barrel as often as I would have liked during testing, my pull-through bore snake was too short to fish through the 26-inch barrel. After thoroughly cleaning the tube at home, for instance, the added 25-grain Hornady V-MAX loads assembled impressive clusters. My speed obsession may also have worked against me, as the lightest loads in many cases resulted in the best groups (though these were still well above actual start loads).

Hornady’s 15.5-grain NTX (Non-Traditional eXpanding) bullet is a polymer-tipped, lead-free (California legal) option allowing screaming velocity combined with dramatic terminal performance on small varmints. Of the Hodgdon CFE BLK and H-4198 and Accurate 2200 powders used with this bullet, H-4198 proved lackluster accuracy-wise, the best group only .87-inch at 4,226 with 17 grains of powder. CFE BLK – my go-to .221 Fireball rifle powder – produced top velocities and good accuracy, including a .48-inch group at 4,250 fps with 17 grains of powder. CFE BLK’s top velocity was 4,532 fps with this bullet using 18 grains of powder, but with poor accuracy. The most consistent powder with this bullet proved to be A-2200, producing .52- and .46-inch groups at 4,145 and 4,226 fps with 18 and 18.5 grains of powder, respectively. I’ll be testing this powder with other bullet weights moving forward.



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