5,56 × 45
HPBT
77 GRS
SB556C
Designed for sport shooting. Hollow Point Boat-Tail bullets are the finest in accuracy and consistency.
Ballistics Ballistic Calculator
| Distance | y | Muzzle | 100 | 200 | 300 | 400 | |
|---|---|---|---|---|---|---|---|
| Velocity | fps | 2,825 | 2,585 | 2,356 | 2,139 | 1,935 | |
| Energy | ft·lb | 1,364 | 1,142 | 949 | 782 | 640 | |
| Distance | y | 50 | 100 | 200 | 300 | 400 | |
|---|---|---|---|---|---|---|---|
| Points of impact | in | -0.4 | 0.0 | -3.2 | -12.7 | -29.8 | |
| Distance | y | 500 | 600 | 700 | 800 | 900 | 1000 | |
|---|---|---|---|---|---|---|---|---|
| Points of impact | in | -56 | -94 | -147 | -218 | -312 | -436 | |
Properties
| Bullet | Type | HPBT | |
|---|---|---|---|
| Weight | grs | 77 | |
| Diameter | in | 0.224 | |
| Sectional Density | lb/in² | 0.219 | |
| Material of jacket | CuZn 10 | ||
| Ballistic coefficient | Calculation | G1 | 0.376 |
| G7 | 0.193 | ||
| Rifle twist | 7" - 8" | ||
| Primer | Type | N/A | |
| Style | N/A | ||
| Cartridge | Length | in | 2.244 |
| Power Factor Estimated | kgr·fps | 217.5 | |
| Test barrel length | in | 20 | |
| 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 | ¾ | 31½ | |
| Drawing number | O 6428-2 | SB 003 | ||
| Boxes per case | 50 | ||
|---|---|---|---|
| Weight per case | lb | 31.5 | |
We also produce in this caliber
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5,56 × 45 Compare
M193
Weight 55 grs 3,60 g V0 1 006 m/s E0 1 822 J # SB556A