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.22 ARC

Type

Rifle

Place of origin

United States

Production history

Designer

Hornady

Designed

2023

Manufacturer

Hornady

Produced

2024–present

Specifications

Parent case

6.5mm Grendel

Case type

Rimless tapered, bottleneck

Bullet diameter

.2244 in (5.70 mm)

Land diameter

.253 in (6.4 mm)

Neck diameter

.4297 in (10.91 mm)

Base diameter

.441 in (11.2 mm)

Rim diameter

.441 in (11.2 mm)

Rim thickness

.059 in (1.5 mm)

Case length

1.525 in (38.7 mm)

Overall length

2.26 in (57.4 mm)

Rifling twist

1 in 7 in (180 mm)

Maximum pressure (SAAMI)

52,000 psi (360 MPa)

Ballistic performance

Bullet mass/type	Velocity	Energy
62 gr (4 g) 22 ARC 62 gr ELD‑VT V‑Match	3,300 ft/s (1,000 m/s)	1,499 ft⋅lbf (2,032 J)
88 gr (6 g) 22 ARC 88 gr ELD Match	2,820 ft/s (860 m/s)	1,554 ft⋅lbf (2,107 J)
75 gr (5 g) 22 ARC 75 gr ELD Match Black	3,075 ft/s (937 m/s)	1,575 ft⋅lbf (2,135 J)
80 gr (5 g) 22 ARC 80 gr ELD‑X Precision Hunter	3,010 ft/s (920 m/s)	1,609 ft⋅lbf (2,182 J)
70 gr (5 g) 22 ARC 70 gr CX Superformance	3,125 ft/s (952 m/s)	1,518 ft⋅lbf (2,058 J)

Test barrel length: 24 in
Source: SAAMI

The .22 ARC, also called .22 Advanced Rifle Cartridge, is a SAAMI-standardized rimless tapered bottleneck rifle cartridge developed by Hornady. The cartridge was designed for use in AR-15–style rifles.^[1]