5,56 × 45
M193
55 GRS
SB556A
Ballistics
| Distance | y | Muzzle | 100 | 200 | 300 | 400 |
|---|
| Velocity | fps | 3,301 | 2,912 | 2,545 | 2,206 | 1,894 |
|---|
| Energy | ft·lb | 1,330 | 1,035 | 791 | 594 | 438 |
|---|
| Distance | y | 50 | 100 | 200 | 300 | 400 |
|---|
| Points of impact | in | -0.5 | 0.0 | -2.1 | -9.7 | -24.4 |
|---|
Properties
| Bullet | Type | M193 |
|---|
| Weight | grs | 55 |
|---|
| Diameter | in | 0.224 |
|---|
| Sectional Density | lb/in² | 0.157 |
|---|
| Material of jacket | CuZn 10 |
|---|
| Ballistic coefficient | Calculation | G1 | 0.259 |
|---|
| G7 | 0.127 |
|---|
| Cartridge | Length | in | 2.228 |
|---|
| Power Factor Estimated | kgr·fps | 181.6 |
|---|
| Test barrel length | in | 23½ |
|---|
| Suggested use | N/A |
|---|
| Features | N/A |
|---|
Packaging
| Box | Case |
|---|
| Cartridge quantity | pcs | 20 | 1,000 |
|---|
| Bar code | UPC | | |
|---|
| EAN | | |
|---|
| Length | in | N/A | N/A |
|---|
| Width | in | N/A | N/A |
|---|
| Height | in | N/A | N/A |
|---|
| Weight | lb | ½ | 29 |
|---|
| Drawing number | O 6428-7D | SB 003 |
|---|
| Boxes per case | 50 |
|---|
| Weight per case | lb | 29 |
|---|
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