Heckler and Koch (HK USA)
Heckler and Koch (HK USA) MR556A1 Magazine
223 Rem · 5.56 NATO
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MAGAZINE MR556 5.56MM 30RD 251770S
Specifications
| Caliber | 223 Rem / 5.56 NATO |
| Action | Na |
| Capacity | 30 rounds |
| Mfg. SKU | 251770S |
| UPC | 642230248311 |
223 Rem ballistics
| Typical load | 55gr FMJ |
| Muzzle velocity | 3,240 fps |
| Muzzle energy | 1,282 ft·lb |
| Drop @ 200 yd | -3" (100 yd zero) |
| Drop @ 300 yd | -11.7" |
Typical factory load, for comparison only. Full ballistics reference →
