Heckler & Koch HK43 is a 5.56 × 45 mm NATO self - loading rifle manufactured by the German company Heckler & Koch . It was developed based on the HK33 assault rifle . Served as the basis for the creation of the self-loading rifle Heckler & Koch HK93. The symbol '4' in the weapon index indicates an option for the civilian market, and the symbol '3' indicates the caliber used ( 5.56 × 45 mm NATO ).
| Heckler & Koch HK43 | |
|---|---|
 Heckler & Koch HK43A2 | |
| Type of | self-loading rifle |
| A country |  Germany |
| Production history | |
| Constructor | Heckler & koch |
| Manufacturer | Heckler & koch |
| Years of production | March 1974 - 1989 |
| Options | A2 and A3 |
| Specifications | |
| Weight kg | 3.8 (with an empty store) |
| Length mm | 920 |
| Barrel length mm | 431,165 |
| Cartridge | 5.56 × 45 mm NATO |
| Caliber mm | 5.56 mm |
| Work principles | roller lock |
| Type of ammunition | box magazine for 5, 20, 25, 30 or 40 rounds |
| Aim | front sight and diopter rear sight |
Design
Structurally identical to the HK 33 automatic rifle. The principle of operation is based on the automation with a half-free shutter and a scheme with roller locking of the barrel channel, inherited from the HK G3 army assault rifle . Equipped with a built-in arrester .