The following weapons were used in the anime special Fate/strange Fake -Whispers of Dawn-:

Pistols

Flintlock Pistol

A Flintlock Pistol is seen with a magus who used a wolf as a magic catalyst.

Replica Spanish Miqulet Flintlock Pistol.

The flintlock aimed at Enkidu.

Closeup of the flintlock aimed at Enkidu.

A shot of the dropped pistol.

What appears to a Glock 17 is seen on the duty holster of a uniformed Snowfield Police officer.

Glock 17 (early first generation model from 1980 to 1982) - 9x19mm Parabellum

The holstered pistol on the SP duty holster. You can only see parts of the grip and slide.

The M4A1 carbine is used by American special forces units working under Faldeus Dioland. They're equipped with red dot scopes and suppressors.

Colt M4A1 with KAC RAS Modular Rail Extension, vertical foregrip, and Aimpoint CompM2 - 5.56x45mm NATO

A masked SF operator salutes Faldeus after taking out a target.

Another shot of the scoped/suppressed carbines. Also pity the SF operator who has to hold an artificial heart.