Glock G19 Gen5 9mm vs Glock G43X 9mm

Both are concealment Glocks, but they fight in different weight classes. The G19 holds 15+1 against the G43X's 10+1, runs 0.61" more barrel, and weighs 4.93 oz more (23.63 oz vs 18.7 oz). The G43X gets the win on width — 0.24" slimmer at 1.1" — which is the difference between printing and not printing under a fitted shirt. Grip height is identical at 5.04", so the concealment edge comes from width, not how far the grip drops below the belt.

Pick the Glock G19 Gen5 if:

• You want 15+1 rounds for a more general-purpose carry and home-defense gun
• You want the longer 4.02" barrel and 6.02" sight radius for better recoil control and aim radius
• You want a duty-grade frame and the wider G19/G17 magazine ecosystem

Pick the Glock G43X if:

• You want a slim 1.1" frame for inside-the-waistband carry under lighter clothing
• You want 4.93 oz less weight on the belt for all-day carry
• You want a slim carry gun in the same Glock aftermarket and manual of arms

Same striker-fired action, same Glock manual of arms, same aftermarket. The G19 is a do-everything compact; the G43X is built for slim concealment first.