In "Everybody Hates Blackie" (S3E04), Chris's father Julius (Terry Crews) contemplates getting a gun after their home is robbed. When the family imagines what would happen if they had a gun in the house, Julius is seen pulling out an AMT Backup 380 pistol when he realizes that someone has taken the big pieces of chicken during a meal.
Beretta 92FS
In "Everybody Hates Spring Break" (S4E17), Chris is seen being threatened with a Beretta 92FS as he imagines himself in a scene from Scarface (1983).
Desert Eagle Mark XIX
In "Everybody Hates Blackie" (S3E04), Chris's mother Rochelle (Tichina Arnold) pulls out two Desert Eagle Mark XIX pistols when the family imagines what would happen if Julius got a gun.
Revolvers
Taurus Model 689
In "Everybody Hates My Man" (S4E05), Julius is seen giving his family some gifts, one of which is a "Danny GloverWitness Action Playset". This set contains a revolver, which appears to be a Taurus Model 689. A similar Taurus is held by a criminal in "Everybody Hates Spring Break" (S4E17).
In "Everybody Hates Snow Day" (S2E13), a criminal uses a Smith & Wesson Model 66 revolver to threaten Rochelle and other subway riders.
Smith and Wesson Model 28 Highway Patrolman
A Smith & Wesson Model 28 appears to be the revolver carried by several uniformed NYPD officers throughout the series, notably in the series finale "Everybody Hates the G.E.D." (S4E22).
Shotguns
Ithaca 37
In "Everybody Hates Blackie" (S3E04), Tonya (Imani Hakim) takes out an Ithaca 37 shotgun when the family imagines what would happen if Julius got a gun.
Mossberg 500 Cruiser
In "Everybody Hates Valentine's Day" (S1E14), a flashforward shows Julius using a Mossberg 500 Cruiser with a heatshield when Tonya introduces her fiance.