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.223 Winchester Super Short Magnum Rifle Ammunition, .223 WSSM Rifle Ammunition Ammo For Sale!
223 WSSM offers a 600 ft/s (180 m/s) gain, with a 55 gr (3.6 g) bullet, over the standard . 223 Rem. It also offers a 440 ft/s (130 m/s) gain over the 22-250, a popular varmint round. This comes out to a 600 ft·lbf (810 J) gain over a standard .
How fast does a 223 WSSM shoot?
The . 223 WSSM (Winchester Super Short Magnum, 5.56×42mm) is a .
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 40 gr (3 g) BT (boat-tailed) | 4,352 ft/s (1,326 m/s) | 1,683 ft⋅lbf (2,282 J) |
| 60 gr (4 g) JSP | 3,733 ft/s (1,138 m/s) | 1,857 ft⋅lbf (2,518 J) |
| 75 gr (5 g) BT(boat-tailed) | 3,378 ft/s (1,030 m/s) | 1,901 ft⋅lbf (2,577 J) |
What does WSSM ammo mean?
Winchester Super Short Magnum, or WSSM is a line of rebated rim bottlenecked centerfire short magnum cartridges introduced by the U.S. Repeating Arms Company (Winchester Inc). It is a further development of the Winchester Short Magnum concept utilizing smaller bullets, but of a still higher velocity.
