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Hornady's Superformance line takes the already capable .22 ARC and bumps it forward with progressive propellants that deliver up to 200 fps more velocity than conventional ammo. This isn't about dangerous pressure spikes either—Superformance rounds maintain safe SAAMI specifications while giving your rifle a genuine performance boost. The 70-grain weight sits in the sweet spot for the .22 ARC, giving you that nice balance between velocity and stability that makes this cartridge work so well.
The copper-solid construction of the CX bullet sets it apart from traditional lead-core rounds. It's a monolithic design meaning no core and jacket separation, which translates to solid weight retention and deep penetration on impact. The Heat Shield polymer tip resists degradation from flight heat, maintaining consistent ballistic coefficient downrange. Those machined grooves aren't just for looks either—they reduce bearing surface and fouling while maintaining the aerodynamic efficiency the .22 ARC was designed around.
The real magic happens with Hornady's progressive propellant technology. These powders burn in a way that maximizes velocity gains without the downsides you'd get from simply loading hotter. You're looking at muzzle velocity around 3,125 fps and 1,518 ft-lbs of energy—numbers that let the .22 ARC punch well beyond what the .223 can do while staying in the mild recoil camp. Temperature consistency is excellent too, so your round performs the same whether you're out in the heat of August or a cold November morning.
This ammunition comes in 20-round boxes with quality brass cases suitable for reloading, so if you're the type to handload, you're getting usable components back. For varmint work and target shooting, the 70-grain CX strikes that balance where you get enough velocity for flat trajectory and good downrange energy, but not so much speed that you lose accuracy to instability. The .22 ARC platform was engineered for precision, and Hornady's Superformance load respects that design.
The Superformance line uses progressive propellants that deliver up to 200 fps more velocity than conventional ammunition while maintaining safe pressure levels. The 70-grain CX bullet is a middle-ground choice—heavier than some varmint loads but lighter than full match-grade ammunition—giving you a versatile round for both hunting and precision target work without sacrificing the accuracy the .22 ARC platform is built around.
The copper-solid CX design retains approximately 95 percent of its weight through impact, giving you reliable penetration and terminal performance. For prairie dogs, coyotes, and similar game, the 70-grain weight traveling at 3,125 fps provides excellent energy delivery out to reasonable hunting ranges while minimizing pelt damage compared to traditional lead-core bullets.
Yes, Hornady brass is suitable for reloading. The Superformance cases are quality brass that should provide multiple reloads, making them economical if you're the type to handload and fine-tune loads for your specific rifle.
Hornady's published velocity data for factory ammunition is typically derived from industry-standard barrel lengths, usually around 18-20 inches for the .22 ARC platform. Your actual velocity will vary based on your specific barrel length, bore condition, and environmental factors, but the Superformance propellants perform consistently across a broad temperature range.
| UPC | 090255815399 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 81539 |
| Caliber/Gauge | .22 ARC |
| Case Material | Brass |
| Grains | 70Gr |
| Length | 5.3000 |
| Model | |
| Product Type | CX |
| Shipping Weight | 0.71 |
| Units per Box | 20 |
| Cost per Round | 1.95 |
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