Nesterov assault rifle

Lore & Background

The Nesterov assault rifle was developed in the early 1960s as part of a plant competition for the AKM at the Izhevsk Machine-Building Plant. The first variant, the LA-2, was designed by A. I. Nesterov in 1961. It featured a cutting insert receiver that allowed the elasticity of its walls to reduce the impact of moving parts in the extreme position, improving automatic fire accuracy. The return spring was placed on the left side of the bolt to reduce weapon height, and the shoe flies combined with the gas chamber. A diopter sight was fully posted on the receiver cover, and a cleaning gas vent at the top of the gas chamber was covered by a crane in the firing position. The LA-2 weighed 2.15 kilograms.

The LA-3, designed by B. M. Zorinym in 1962, was noted for its simplicity. However, tests revealed increased dispersion when firing bursts due to additional pulses from the barrel moving forward. The LA-4, designed by A. I. Nesterov in 1964, adopted a bullpup configuration. It reduced recoil energy through a long barrel and bolt stroke, with the return spring and barrel arranged concentrically—one guide rod inside and a spring barrel outside. All trigger parts were stamped from sheet metal, and the fire mode translator and safety were separate. The sight was placed in the handle, and the control lever was tilted to the right for ease of handling.

Reader's Guide

The Nesterov assault rifle series represents a focused period of Soviet small arms experimentation in the early 1960s, driven by the competition to improve upon the AKM. The LA-2 introduced a lightweight carbine design at 2.15 kilograms, with a novel receiver that used wall elasticity to dampen impact forces, aiming to enhance accuracy in automatic fire. The LA-3, while simpler, suffered from dispersion issues due to barrel movement during firing. The LA-4 bullpup variant attempted to manage recoil through a long-stroke concentric spring system and simplified stamped trigger components. All variants shared a 30-round magazine capacity and an effective range of 1,000 meters. The series did not enter mass production, but it documents the engineering approaches considered by Soviet designers—particularly A. I. Nesterov and B. M. Zorinym—during a competitive development phase at the Izhevsk Machine-Building Plant. The LA-4's bullpup layout and separate fire selector and safety foreshadowed later compact rifle designs, while the LA-2's weight reduction and gas vent system addressed practical field maintenance and handling concerns.

Did You Know?

• The LA-2 carbine weighed only 2.15 kilograms (4.7 lb).
• The LA-4 bullpup variant placed the sight in the handle.
• The LA-3 was designed by B. M. Zorinym in 1962.
• All Nesterov variants had a 30-round magazine and 1,000-meter effective range.