| M68 | |
|---|---|
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| Type | Tank gun |
| Place of origin | United States United Kingdom |
| Service history | |
| In service | 1960–present |
| Production history | |
| Designer | Watervliet Arsenal |
| Manufacturer | Watervliet Arsenal |
| Produced | 1959–present |
| Variants | M68E1, M68A1, M68A1E4 |
| Specifications | |
| Mass | 754 kg (1,662 lb) (gun tube) 1,128 kg (2,487 lb) (recoiling gun mass) |
| Length | 5,550 mm (218.50 in) (overall) |
| Barrel length | 5,347 mm (210.51 in) (gun tube) |
| Shell | 105×617mm. R |
| Calibre | 105 mm (4.134 in) |
| Breech | semi-automatic vertical sliding-breechblock |
| Recoil | 305 mm |
The M68 is an American 105 mm tank gun. It uses British-designed L7 gun tube and cartridges with an American-designed mount, breech assembly and recoil mechanism.