| M1947 Johnson auto carbine | |
|---|---|
 | |
| Type | Semi-automatic rifle |
| Place of origin | United States |
| Production history | |
| Designer | Melvin Johnson |
| Designed | 1947 |
| No. built | 5 |
| Specifications | |
| Mass | 8+3⁄4 lb (4.0 kg) |
| Length | 38 in (970 mm) |
| Barrel length | 22 in (560 mm) |
| Cartridge | .30-06 Springfield |
| Action | Short recoil |
| Rate of fire | 60 rpm |
| Muzzle velocity | 2,800 ft/s (853.6 m/s) |
| Feed system | 10 round cylindrical magazine 25-round, single stack-column box magazine |
The M1947 Johnson auto carbine is a semi-automatic derivative of the M1941 Johnson machine gun. [1] It was intended as a replacement of the M1 rifle but not accepted. [2] The auto carbine never got past the prototype stage, with only five of them ever being made. [3]
