• FAQ
• Contact
• Buy 223 Ammunition
• Home

---

223 Ammo
Specifications

Parent case:
.222 Remington Magnum

Case type:
Rimless, bottleneck

Bullet diameter:
.224 in (5.7 mm)

Neck diameter:
.253 in (6.4 mm)

Shoulder diameter:
.354 in (9.0 mm)

Base diameter:
.376 in (9.6 mm)

Rim diameter:
.378 in (9.6 mm)

Rim thickness:
.045 in (1.1 mm)

Case length:
1.76 in (45 mm)

Overall length:
2.26 in (57 mm)

Rifling twist:
1 in 12 in (typical)

Primer type:
Small rifle

Maximum pressure:
55,000 psi (380 MPa)