Q: Is it safe to shoot 5.56x45mm/5.56/5.56 NATO ammunition in a firearm chambered for 223
Remington (223 Rem)?
A: No! It is not safe to shoot “5.56” “5.56 NATO” or “5.56x45mm” (we’ll call these all simply
“5.56”) ammunition in a firearm with a barrel marked as being chambered in 223 Remington
for a number of reasons. The main reason being that a barrel marked as chambered in 223
Remington will have a shorter throat into the rifling than a “5.56” barrel which will cause
increased pressure when the “5.56” ammunition is fired in it.
Q: Is it safe to shoot 223 Remington ammunition in a firearm chambered for 5.56?
A: Yes. It is safe to fire SAAMI-compliant 223 Remington ammunition in a firearm with a barrel
marked as chambered in “5.56.”
As a rule of thumb always match the headstamp on the cartridge to the markings on the barrel. If you are unclear about which ammunition is appropriate to safely use in your firearm, consult the firearm’s owner’s manual, and/or contact the manufacturer for further guidance.
5.56mm 500 ROUND CASE
- Velocity: 3275 FPS
- Energy: 1191 Ft. Lbs.
- Velocity: 3000 FPS
- Energy: 1239 Ft. Lbs.
- Velocity: 2875 FPS
- Energy: 1266 Ft. Lbs.
- Velocity: 2875 FPS
- Energy: 1266 Ft. Lbs.
- Velocity: 2800 FPS
- Energy: 1219 Ft. Lbs.
- Velocity: 2750 FPS
- Energy: 1293 Ft. Lbs.
- Velocity: 2750 FPS
- Energy: 1293 Ft. Lbs.
| Default | |
| Caliber | 5.56 NATO |
| Allow Gift Message | Female |
| Meta Title | BLACK HILLS 5.56 BULK AMMO 500 ROUND CASE |
| Product Name | BLACK HILLS 5.56 BULK AMMO 500 ROUND CASE |
| Quantity | Male |
| Enable Product | Male |
| URL Key | black-hills-5-56-bulk-ammo-500-round-case |
