.220 Swift
Overview
The .220 Swift (5.56×56mmSR) is a semi-rimmed rifle cartridge developed by Winchester and introduced in 1935 for small game and vermin hunting. It was the first factory loaded rifle cartridge with a muzzle velocity of over 1,200 m/s (4,000 ft/s). With modern powders and precision loadings, the round is capable of pushing 1500+ meters a second.
Stats
| Ammunition Type | Damage | Bullet Velocity (m/s) | Barrier Penetration | Armor Piercing |
| 40gr Ballistic Tip | 4.9 | 1296 | 6.25 | 4 |
| 55gr Soft Point | 5.4 | 1128 | 4.25 | 4 |
| 50gr Soft Point | 5.2 | 1179 | 3.95 | 4 |
| 50gr Varmint | 8.4 | 1203 | 1.75 | 4 |
| 30gr Match | 4.9 | 1579 | 4.7 | 0 |
Note: Barrier penetration represents the rounds ability to go through walls and barriers. Armor piercing represents the rounds ability to penetrate body armor plates.