A Calico M950 is seen in "Land of Fuyuki City", present in the arsenal of Kiritsugu Emiya and Maiya Hisau. In the visual novels, it's detailed that the duo use it as a backup weapon.
A Thompson Arms Contender pistol was used by Kiritsugu Emiya as his main sidearm in the 4th Holy Grail War, which appeared in both the anime and in the visual novel series. It first appeared in "Land of Fuyuki City". You can tell that it's the .223 Remington version due to the presence of the rear sights, which was also shown in the said episode.
A Steyr AUG A1 with a black plastic body was used by Maiya Hisau as her main weapon in the anime, which was also portrayed in the visual novel during the 4th Holy Grail War.
Error creating thumbnail: File missingSteyr AUG with black stock - 5.56x45mm. The pin with the sling swivel is ambidextrous. On this model the sling is set for a left handed carry (though not left-handed shooting since the ejection port has not been swapped to the other side (an option for the Steyr AUG)).Error creating thumbnail: File missingThe Steyr AUG as seen in Maiya's hands in the OP sequence. This one had a scope mounted instead of the Swarovski-type scope.Error creating thumbnail: File missingThe Steyr AUG placed on top of a bed sheet next to the Walther WA 2000.Error creating thumbnail: File missingKiritsugu ejecting the AUG's magazine to do a visual inspection.
Sniper Rifles
Walther WA 2000
A Walther WA 2000 is shown in "Land of Fuyuki City", serving as Kiritsugu Emiya's main weapon of choice in the series, as well as in the visual novel during the 4th Holy Grail War. The only difference is that Kiritsugu had replaced the Schmidt & Bender 2.5–10X telescopic sight with either a AN/PVS04 or a IR heat vision scopes to locate the heat signatures of magi hiding from physical sight.
What appears to be M67 fragmentation grenades are among the weapons in the arms cache assembled by Maiya in the local Fuyuki Hotel in "Land of Fuyuki City".
M67 High Explosive-Fragmentation hand grenade.Error creating thumbnail: File missingKiritsugu inspecting the weapons assembled by Maiya. The M67s are located beside the WA 2000.
Flashbang Grenade
A Flashbang Grenade is visually inspected by Kiritsugu from the arms cache Maiya assembled in the local Fuyuki Hotel in "Land of Fuyuki City".
Plastic Explosives are seen next to the Calico M950 as among the weapons in the arms cache assembled by Maiya in the local Fuyuki Hotel in "Land of Fuyuki City".
A Hughes M230 Chaingun was seen fired by an Apache gunship on the television set in Waver's room when he was staying with the Mackenzies in Fuyuki City in "Land of Fuyuki City".
Error creating thumbnail: File missingHughes/Alliant Techsystems M230 30mm Chain Gun.Error creating thumbnail: File missingA shot of the Apache firing the Hughes 230 from a TV set while Rider was watching in Waver's room. Kinda funny for a split second, the Apache in the foreground has its rotors missing.
