22 ARC or 350 Legend? Choosing the Best Round for Your Next Rifle Build
Firearm Technology: Caliber Selection Choosing the appropriate caliber is a critical step in constructing a new rifle. This article provides an analysis of the 22 ARC and the 350 Legend , both of which are popular options with distinct advantages…

Firearm Technology: Caliber Selection
Choosing the appropriate caliber is a critical step in constructing a new rifle. This article provides an analysis of the 22 ARC and the 350 Legend, both of which are popular options with distinct advantages for specific shooting requirements.
22 ARC Overview
The 22 ARC (Advanced Rifle Cartridge) is developed by Hornady for modern AR-style rifles, focusing on versatility and enhanced long-range performance. Built on the 6mm ARC case, it offers precision, speed, and efficiency, suitable for varmint hunters and precision shooters.
350 Legend Overview
The 350 Legend, created by Winchester, is a straight-walled hunting cartridge designed for regions requiring such cartridges for deer hunting. It is favored for its strength, versatility, and low recoil, making it suitable for medium-sized game like deer and hogs.
Ballistic Performance
- 22 ARC: Capable of maintaining supersonic speeds exceeding 3,000 feet per second, effective for long-distance shooting.
- 350 Legend: Features a velocity of 2,200 feet per second, with greater energy due to its mass. It is effective within 200 yards for impactful shots.
Accuracy and Range
The 22 ARC excels in long-range shooting competitions and varmint hunting with precision beyond 500 yards. The 350 Legend is effective for short-range shooting, particularly in wooded or brush areas, up to 250 yards.
Choosing the appropriate caliber is a critical step in constructing a new rifle.
Recoil and Shooting Comfort
The 22 ARC offers minimal recoil, enhancing accuracy and shooting comfort, making it suitable for beginners. The 350 Legend, though having more recoil than the 22 ARC, is still manageable and often enhanced by AR platforms with recoil suppression features.
Ammo Cost and Availability
- 22 ARC: Being a new and specialized round, it may be harder to find and more expensive initially, though costs may decrease with increased popularity.
- 350 Legend: Widely available due to its popularity among hunters and is one of the more affordable straight-walled cartridges.
Use Cases
Hunting
The 350 Legend is designed for medium game hunting within moderate ranges, adhering to regulations in many states. The 22 ARC is more suitable for hunting varmints and predators, requiring high accuracy for small targets.
Target Shooting and Competition
For precision shooting and competitions, the 22 ARC is preferred due to its ballistic efficiency and flat trajectory. The 350 Legend is more aligned with practical hunting rather than competitive precision shooting.
Rifle Build Compatibility
- 22 ARC: Compatible with standard AR-15 lowers and requires specific bolt faces.
- 350 Legend: Utilizes standard AR-15 lowers and specific barrels designed for straight-walled cartridges.
Conclusion
The choice between the 22 ARC and the 350 Legend depends on intended use. The 22 ARC is optimal for long-range precision and minimal recoil, while the 350 Legend offers power and simplicity for hunting within 200 yards. Each has distinct benefits tailored to different shooting needs.




