5.66 mm underwater assault rifle The APS underwater assault rifle is designed to destroy enemy personnel under water at a range of up to 30 m (depending on diving depth), provide self-defence on the ground at a range of up to 100 m, as well as protect against predators in water. Firing under water is possible from all swimmer positions as well as against surface targets from under water. The assault rifle is used to arm combat swimmers. The APS rifle is gas-operated. Its gas chamber features a...

4.5 mm underwater pistol The SPP-1M underwater pistol is designed to destroy enemy personnel at ranges of up to 17 m under water (depending on diving depth) and for self-defenсe on the ground at ranges up to 20 m. Firing under water is possible from all swimmer positions as well as against surface targets from under water. The pistol is intended for combat swimmers. This non-automatic pistol has a four-barrel cluster. The barrels are fired in succession. A double-action trigger and firing mechanism...

5.66 mm cartridge for the APS underwater assault rifle The 5.66mm MPS cartridge is intended for the APS rifle. A design feature of the MPS cartridge is a steel solid bullet of a high length-to-caliber ratio with a truncated conical nose.

4.5 mm cartridge for the SPP-1M underwater pistol The 4.5mm SPS pistol cartridge is intended for the SPP-1M underwater pistol. A design feature of the SPS cartridge is a steel solid bullet of a high length-to-caliber ratio with a truncated conical nose.