Just a quick look at the gun discussed in Episode 59

FNX™-45

SLIDE
Stainless steel construction
External extractor with loaded chamber indicator
Front and rear cocking serrations
BARREL
Cold hammer-forged stainless steel
Polished chamber and feed ramp
FRAME
Polymer construction with replaceable steel frame/slide rails
Two interchangeable backstraps with lanyard eyelets
MIL-STD 1913 accessory mounting rail
Serrated trigger guard
OPERATING CONTROLS
Fully-ambidextrous decocking/safety lever, slide stop lever and magazine release
MAGAZINE
Polished nickel coated steel body
Low-friction follower
Polymer base pad
SIGHTS
Fixed 3-dot