.223 Remington Guide
Quick Facts
caliber
.223 Remington
common use cases
Varmint, Defense
diagram image
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Technical Specifications
| SAAMI Pressure: | 55,000 PSI |
| CIP Pressure: | 380 MPa |
| Max Case Length: | 44.70 mm |
| Max OAL: | 57.40 mm |
| Base Diameter: | 9.60 mm |
| Rim Diameter: | 9.60 mm |
Cartridge Dimensions
Figure 1: Technical specifications and dimensions.
Case Material Variants
Brass:
Standard
Historical Background
Origin: USA (1964)
Designer: Remington
Varmint round turned military standard.
5.56 NATO
Ballistic Performance
Ballistic Calculator
Estimate drop and energy at different ranges.
Standard Velocity Data
| Bullet | Barrel | Velocity |
|---|---|---|
| 55 gr | 16in | 3000 fps |
Ammunition Types
fmj
Standard ball.
Pros:
- Cheap
Cons:
Use Cases
- home defense: Good for AR-15.
Buying Guide
5-Year Price Trend (Cost per Round)
For beginners:
55gr FMJ.
Frequently Asked Questions
Safety & Legal
Transportation & Shipping
Storage & Inspection
Dry place.
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