Some more weapons, these ones made much earlier, at the start of the Modern-era of the Great War, which opened arguably with either the Stchafe invasion of the Zelsen island (which ultimately failed) or the Zelsen invasion of Western Bagamaji (at the time under Stchafe occupation) that led to the ~90 year campaign overseas.
Regardless, after the Stchafe were pushed back from the island, the Hunzai, which had not taken an active role in the ongoing conflicts in Bagamaji for 20 years since the Revolution, joined back into the war effort against Stchafe and its allies.
In order to take back the ground they'd lost, the Zelsen military planned to execute an invasion of enormous scale, involving essentially the entire army. The western coasts of Bagamaji were fortified with bunkers and AA guns, and in order to move their air force inland these had to be cleared (their air power was one of the biggest advantages against the Stchafe at the time).
The solution, called Daka Ye ("Red Day") was to land large numbers of the newly designed SHZ-872T (Saika Himatsu Zeruse Yi kito Yosu Fa Te, "Saika Te na") amphibious light-armored carrier tanks up and down the coast, carrying ~900,000 Hunzai troops. Spread out, this was meant to cover nearly every known Stchafe position on the west coast.
The Te tanks held 9 soldiers (standing room only) in the carrier section and 2 more (driver and machinegunner operator) in the more armored control section. They were powered by steam engine likenesses (the latest power source at that point) and rode on dual "screws".
The Te tanks were loaded and deployed from low-floating mobile air craft carriers (which also held the air fleet). Their screw-propulsion worked excellent in the water, however they were not very fast on land, and though they could take a bullets, Stchafe rockets could easily bring one down. Thus when they hit the beach 8 of the passenger soldiers would get out and escort the tank as it made its way forward towards the bunkers, being careful not to touch the machine gun barrell mounted on the side, or else lose whatever part of themselves touched it (as it heated up very quickly when firing). The ninth remained inside to maintain the gun and aid the operator.
The first-most team that pushed forward were known as the "ikyokaku", or "those who rush bravely into the fight without fear of death". It was their job to take the bunkers and eliminate the men inside, usually accomplished by means of the NT3 (NajiTsu Hen) anti-bunker explosive charges. After that, the rest of the initial landing force would move up with the Te tanks and take out the AA guns, then the fleet would be signaled to move the air craft in. This was not easy, and there were enormous casualties, probably the worst in such a relatively short time of the war.
The landing forces were all armed with the newest rifle designed by Katsuka Yanaga (military gun designing/manufacturing company). This was the Y-72 (before the military started using KHZ "sets"). A rough sketch of it:
The Y-72 could fire in both a "bolt-action" like mode, and semi-auto fire. This was the first semi-auto rifle to be put into large scale use. Normally one could operate the bolt manually, but the rifle could be switched to use the new gas-operated reloading system. The manual mode was far steadier, and in some rare cases the prototype gas-operated system could cause malfunctions, so manual was generally preferred except for closer combat. The rifle had a front, rear, and (for alignment) a middle iron sight attached. It used a six-round magazine, another somewhat new idea. This was also before the Hunzai adopted case-less ammunition and an electrical firing system, so the Y-72 used more standard methods. It also had a bayonet mount underneath as shown.
After the "Red Day" (which actual ended up being about 2 days) the HHZ-1 and -2 (Hibi Himatsu Zeruse Bukai and Fakai, "HunHunZai Bukai/Fakai"), or First/Second Zelse Warrior Squads (akin to Marines) took the west coast, and the way was clear for the rest of the military to begin the long task of pushing the Stchafe out of Bagamaji.
Daka Ye began on the morning of the 87th day of the 4th month (Sonebai) Zelsen year 872, and ended the evening of the 88th when the last reports of Stchafe retreating in-land were received.
"haku hunhunzai bukai ki?"
"kaima kono!"
-"Are you ready, First Warriors?" "Of course yes sir!" A standard cheer of the HHZ Bukai. ~ 10% of them (90000 troops) would be killed in the invasion. Over the 150 year Great War era the world lost estimates in the billions, approx. 2/3 of the world's population at the start of the war.
On an added note, the design of the Y72 was seen numerous times in further Hunzai rifles. The KHZ931 series saw the last issued semi-auto rifle based on the Y-72, before being scrapped from the KHZ program. The sheer amount of 931-Saime's in service kept the rifle in use up till the end of the war, however. The 931-Saimes were far more reliable than all the Saibu series up to the 960-Saibu, just before the Stchafe surrendered to the invading Hunzai army in 961 (the 960-Saibu, the first weapon I talked about, was a huge improvement over previous designs and generally very reliable). Also, the earlier 931-Saime rifles still used traditional casings and firing methods, however they were later adjusted to use standard Hunzai caseless ammunition in 952. These models are known as the 931-52 Saime, and look nearly identical to the 931 on the outside, but instead of normal hammer/primer ignited by strike design they had an electronic firing mechanism like the rest of the 952 and 960 series guns.