In the shooting game "Tactical Team", the Türkiye MPT-76 assault rifle is favored by players because of its fast targeting and clear vision. It is reported that the gun was successfully developed in 2014 after a series of modernization upgrades based on the design experience of the German HK417 rifle. Its performance exhibits the following three characteristics. Design modularity. The MPT-76 assault rifle adopts a modular design, allowing for the replacement of barrels of different lengths within minutes to meet different mission requirements and personal usage habits. The MPT-76 assault rifle adopts an upper and lower receiver structure, which enables rapid disassembly and assembly of components. The Picatinny guide rail on the top of the receiver can be compatible with multiple sights; The guide rails around the handguard provide ample expansion space for various tactical accessories, allowing soldiers to install personalized attachments according to their needs. This "one platform, multiple configurations" design achieves "one gun, multiple capabilities". The performance is relatively reliable. The MPT-76 assault rifle has stable and reliable performance, and can be used normally even under extremely harsh conditions. This feature is thanks to its unique "triple protection" function - self-cleaning air guide system, special surface treatment, and precise waterproof design. The self-cleaning air guiding system can use high-pressure gas to automatically remove internal sand particles, and with the help of the sand removal groove in the magazine well, soldiers can quickly shake off impurities when loading ammunition. The surface of the gun barrel has undergone special processing to provide anti-corrosion and anti friction functions; The internal compound spring is made of special alloy material, which can maintain stable performance even in severe cold or high temperature weather conditions. It is worth mentioning that the gap between the gun frame and the receiver is ingeniously designed, which ensures smooth movement of the gun and also has waterproof characteristics. Excellent human-machine efficiency. The design of MPT-76 assault rifle fully considers the use experience of soldiers. The designer finally determines the optimal grip angle by scanning the hand type data of Türkiye soldiers; The grip adopts a honeycomb anti slip pattern design to ensure that soldiers shoot continuously without slipping. In addition, the gun also uses an internal polymer buffer block combined with a high elasticity rubber pad on the stock to convert strong recoil into smoother thrust, reducing the pressure on the shooter's shoulders. Experimental results have shown that these designs significantly reduce the fatigue of soldiers during prolonged shooting. It can be seen that these advanced designs mark the gradual evolution of the MPT-76 assault rifle from a single weapon to a customizable individual weapon system, reflecting the development trend of modern firearm design. Experts predict that the development of assault rifles in the future may be based on modular platforms, deeply integrating intelligent fire control and information technology, and through linkage with different individual combat systems, exerting better combat effectiveness on the digital battlefield. (New Society)