The M1911A1 is used by various characters throughout the series. In Season 2's premiere "Prelude" (S2E01), Jenny Morrow (Lori Loughlin) is seen pulling the pistol on McCall and his son Scott. Later, McCall points out that the pistol cannot be fired without the hammer being down.
Desert Eagle Mark I (Stainless)
A stainless Desert Eagle MK I is a frequent weapon of McCall's in Season 2. This is one of the earliest television appearances of the pistol.
Taurus PT92
A Taurus PT92 is one of the weapons seen in McCall's hidden armory in "Prelude" (S2E01).
Revolvers
Smith & Wesson Model 10
The Smith & Wesson Model 10 is seen in many episodes as the standard sidearm for officers of the NYPD.
The Micro Uzi is a frequently seen weapon in the series.
Heckler & Koch HK94
The Heckler & Koch HK94 converted to resemble the MP5 is another weapon frequently seen in the series.
=Rifles
Steyr SSG 69
In "Joyride" (S2E04), a Steyr SSG 69 is used by Sonny Raines.
Other
McCall's Hidden Arms Cache
As in Season 1, McCall is seen keeping several weapons hidden behind workshelves in his workshop. There are several different ones than what was seen last season.