Glock 43X vs Ruger LCP Max: Best Sub-Compact Carry Pistol? | Impact Guns

The Glock 43X and Ruger LCP Max occupy different ends of the sub-compact carry spectrum — the 43X is a slim 9mm that prioritizes shootability, the LCP Max is a pocket .380 that prioritizes absolute minimum size. Choosing between them means deciding what you’re willing to trade: stopping power and shootability versus pocketability and concealability.

The Core Difference

These pistols serve different carry roles. The Glock 43X is a single-stack 9mm intended for IWB carry — concealable but capable of serious defensive performance. The Ruger LCP Max is a pocket pistol in .380 ACP — small enough to carry in a front pants pocket, prioritizing minimum footprint over all else. If you can only carry one gun in the most demanding concealment environments, the LCP Max goes places the 43X cannot.

Size Comparison

The LCP Max is dramatically smaller: 3.8″ long, 4.6″ tall, 0.81″ wide, 10.5 oz unloaded. It disappears into a front pocket holster. The Glock 43X is 6.5″ long, 5.04″ tall, 1.06″ wide, 18.7 oz. The 43X requires a proper holster and belt — it’s too large for comfortable pocket carry. For deep concealment in minimal clothing, the LCP Max is in a different class.

Caliber: 9mm vs .380 ACP

The 9mm has a clear ballistic advantage over .380 ACP. Modern defensive 9mm loads — Federal HST, Hornady Critical Defense, Speer Gold Dot — produce reliable expansion and adequate penetration in FBI protocol testing. .380 ACP loads are more variable; quality loads perform adequately but produce less energy and less consistent expansion than comparable 9mm. For defensive use, 9mm is the better choice when you can carry it. The LCP Max accepts this trade-off in exchange for size.

Capacity

The LCP Max carries 12+1 rounds of .380 — significantly more than earlier pocket .380s, which typically held 6–7. The Glock 43X carries 10+1 standard or 15+1 with the Shield Arms S15 magazine. Standard capacity slightly favors the LCP Max; with the S15 magazine the 43X is decisively ahead.

Shootability

The Glock 43X is substantially easier to shoot well. The larger grip, longer sight radius, and 9mm recoil impulse all favor the 43X for accurate defensive shooting under stress. The LCP Max’s small grip and snappy .380 recoil make accurate rapid fire more challenging. Both are manageable with practice, but the 43X requires less of it.

Which Should You Buy?

Buy the Glock 43X if: You carry IWB with a belt, want 9mm performance, or prioritize shootability over absolute minimum size.

Buy the Ruger LCP Max if: Pocket carry is your primary method, you live in a warm climate with minimal clothing, or you need the smallest possible footprint as a backup or off-duty gun.

Many serious carriers own both — the 43X as the primary carry gun when clothing permits, the LCP Max when it doesn’t. Browse our full Glock 43X selection, Ruger LCP Max selection, and concealed carry guide for holster recommendations for both.