Arcus 30 UBGL is 40mm Under-Barrel grenade launcher intended to engage enemy troops in open terrain or trenches at distances up to 400 m, The launcher is designed for use with 40 mm grenades VOG-25, AR-25 (HE), VOG-25P, AR-25P (He Bouncing), AR-25TP (Practice), GRD-40 (Smoke) for GP-25 and GP-30 Launchers.

ARCUS 30 UBGL is intended to mount under AKM, AKMS, AK-74, AK-74M, AR-M1, AR-M1F assault rifles. The launcher may be modified to mount under other rifles under customer request. ARCUS 30 UBGL is a next generation grenade launcher, superior to GP-25 in terms of lower weight, compact size and easy-to-use sight.

The Fixing Latch is intended for fixing the Launcher under the Barrel of Rifle. The Quadrant Sigh is intended for easy use and allows quick aiming at distances from 50m up to 400m. The Sight may be used for direct and indirect firing. The Manual Safety prevents the shooter from unintended firing and allows safe deployment of launcher with grenade in the chamber. The Rubber Pad with Belt is designed to reduce the recoil energy during firing and protect the shoulder of the operator.