RPK-74M

The RPK-16 is a Russian light machine gun chambered in 5.45x39mm based on the AK-12 platform. It features a heavy profile 580 mm barrel for sustained fire and improved accuracy. The weapon uses a 45-round box magazine or a 96-round drum for high capacity. It has a Picatinny rail system on the handguard for mounting optics and accessories. The RPK-16 can be configured with either a long barrel for the LMG role or a short barrel for assault use.

The RPK-74 is a Soviet light machine gun developed by Mikhail Kalashnikov. It is the 5.45x39mm variant of the earlier RPK light machine gun. The RPK-74 shares approximately 75 percent parts commonality with the AK-74 assault rifle. It features a longer, heavier barrel, a bipod, and a reinforced receiver for sustained fire. The weapon uses a 45-round magazine or a standard 30-round AK-74 magazine. It was designed as a squad-level support weapon for the Soviet military.

The RPK-203 is a light machine gun chambered in 7.62x39mm, developed by the Kalashnikov Concern as an export variant of the RPK series. It is designed for the 7.62x39mm cartridge and is based on the AK-103 assault rifle platform. The RPK-203 features a longer, heavier barrel for improved sustained fire accuracy. It has a side-folding polymer stock and a bipod for stable firing. The weapon is intended to provide squad automatic fire capability with the widely available 7.62x39mm round.