Based on existing assault rifle solutions, such as FN SCAR, Heckler & Koch G36, and AK47, using suitable combinations and new ideas, Serbian Company NB International New Arms Technologies has designed and developed a new assault rifle named B15 available in 7.62x39mm, 7.62x51mm and 5.56x45mm calibers.

B15 assault rifle developed and designed by Serbian Company NB I.N.A.T. (International New Arms Technologies) at Partner 20119, International Fair of Armament and Defense Equipment Exhibition in Belgrade, Serbia. June 27, 2019. (Picture source Army Recognition)

The assault rifle B15 is a gas operated weapon, and locking system is rotating bolt. Good solutions for the ergonomics, with an excellent balance of weight and compensator, provide mild recoil and easy control of fire.

Flash hider covers the position of the shooter and reduces the recoil of the guns. Applied materials, handguards and folding stock made of aluminum alloy, as well as finish on the metal parts provide simple maintenance.

The assault rifle B15 is made from high-quality materials that ensure high reliability and long life. Fire selector has three positions, single shot and safe.

The receiver is made by forging, high-quality aluminum alloy AIZn5Mg3 Cul,5, which reduced the weight of the gun and provide high resistance. The barrel is cold forged with chrome plated interior. This provides durability and exquisite precision of the assault rifle.

All high dynamic burdened parts have been done by the RWR Poldi steel that is specifically designed for dynamic stressed parts (the bolt, the hammer, firing pin, and others). A suitable choice of quality materials and applied reliable constructive solutions achieved a long life of assault rifle B15.
The B15 assault rifle weight of 3.60 kg and uses 20 or 30 rounds magazine. It has a rate of fire of 620 rounds per minute.

In option, underbarrel grenade launcher 40mm caliber, model BGP 40mm can be mounted on the rifle.