| AO-27 | |
|---|---|
| Type | Assault rifle |
| Place of origin | Soviet Union |
| Production history | |
| Designer | Dmitry Ivanovich Shiryayev |
| Designed | 1961 |
| Specifications | |
| Mass | 3.2 kg (without rounds) |
| Length | 893 mm |
| Barrel length | 415 mm |
| Caliber | 7.62 mm (3 mm flechette) |
| Rate of fire | 700 rounds/min |
| Muzzle velocity | 1060 m/s |
| Feed system | 30-round detachable box magazine |
| Sights | Iron sights |
The AO-27 was a Soviet assault rifle, chambered for the 7.62 mm fin-stabilized flechette sabot round. The flechette itself had a body diameter of 3 mm. The overall length of the round was 63 mm, and the flechette 55 mm. The weight of the round was 10.5 grams, with 2.4 grams the weight of the flechette.[citation needed]