Best Concealed Carry Caliber | .380 or 9mm?

.380 vs 9mm Setup, Size, and Capacity in Sig P365

The video opens with lighthearted banter as two shooters compare a Sig P365 chambered in .380 ACP to a 9mm pistol, framing the debate over the best concealed carry caliber. They place 9mm and .380 cartridges side by side, pointing out that the diameters are nearly identical, but the .380 is essentially a shorter, reduced-power version of 9mm. Using two nearly identical Sig P365s—both with manual safeties, with the .380 model featuring a red dot cut and night sights—they highlight that capacity is often the same, such as 10 rounds in each magazine. This undercuts the idea that .380 typically offers a major capacity advantage. The hosts emphasize that .380 usually delivers softer recoil and a lighter, easier-to-rack slide, which can be especially helpful for elderly shooters or those with weaker hand strength, similar to the Smith & Wesson EZ line. Even with these ergonomic benefits, they repeatedly note that 9mm remains the generally superior choice for most concealed carriers because it offers more power in a package that is almost the same size.

Ballistics Basics and First 2x4 Penetration Tests

The discussion shifts to ballistic performance, with the hosts comparing typical .380 ACP and 9mm loads. They cite a common .380 load as a 95-grain projectile traveling around 900–1,000 feet per second, while a standard 9mm might be a 115-grain bullet at roughly 1,100–1,200 feet per second. This illustrates that 9mm generally launches a heavier bullet at higher velocity, translating to greater energy on target. Curious about real-world implications, they debate whether .380 can even penetrate a 2x4. To find out, they set up a penetration test using lumber. Firing .380 ACP first, they observe its impact and then repeat the test with 9mm full metal jacket. The 9mm easily punches through one board and continues into a second, clearly outclassing the .380 in raw penetration. They then introduce a 147-grain 9mm hollow point into the same setup, noting that even this heavier, expanding load still drives through both 2x4s, underscoring the surprising power and penetration potential of 9mm, even when using defensive hollow point ammunition on hard material.

Hollow Points in Wood and 9mm’s Ballistic Edge

Continuing the testing, the hosts focus on how 9mm hollow points behave when fired into wood. A 9mm hollow point round is launched through the boards and fully penetrates, leading them to explain that hollow points are designed to expand in soft tissue, not in hard materials like lumber. Against wood, they can act much like full metal jacket rounds, maintaining significant penetration. This observation transitions into a broader comparison of 9mm and .380 ballistics. The presenters emphasize that 9mm benefits from a heavier, faster projectile and has received extensive research and development attention from ammunition manufacturers. They note that law enforcement agencies have widely adopted 9mm, often moving away from .40 caliber, which they present as further validation of 9mm’s effectiveness. To push the test further, they fire 9mm through three stacked 2x4s. The round exits the third board, dramatically demonstrating its strong penetration capability. This sequence reinforces their argument that, from a purely ballistic standpoint, 9mm significantly outperforms .380 ACP in energy and barrier penetration.

.380 Penetration Limits and Bullet Recovery

After showcasing 9mm’s performance, the hosts return to .380 ACP to see how it fares in a more demanding penetration test. They repeat the setup with multiple 2x4s and fire .380 into the boards. The results show that the .380 round barely exits the first board and comes to rest in the second, highlighting its more limited penetration compared to 9mm. The presenters then dig into the lumber to recover the projectile. When they extract the intact .380 bullet, they display it on camera, remarking on how small it appears next to a 9mm round. They admit they did not fully expect .380 to penetrate a 2x4 at all, acknowledging that it still demonstrates meaningful capability despite its reduced power. This recovered bullet becomes a visual anchor for discussing the trade-offs: .380 offers less recoil and easier handling but clearly lacks the deep penetration and energy of 9mm, especially through barriers. Even so, they stress that .380 is far from useless and can still be effective in defensive scenarios when used with proper ammunition and technique.

Energy, Shot Placement, and Real-World .380 Effectiveness

With both calibers tested, the conversation turns to practical implications for concealed carry. The hosts compare projectile weight, velocity, and muzzle energy, reiterating that 9mm generally hits harder than .380 while occupying nearly the same footprint in most carry guns. They emphasize, however, that any gun carried is better than one left at home, and that shot placement matters more than caliber alone. They discuss critical anatomical targets for quickly stopping a threat, including the heart, the T-box area of the head, the neck, and the spine, explaining that accurate hits to these zones are far more decisive than minor differences in bullet diameter. One host notes that .380’s noticeably softer recoil can be a major advantage for shooters who struggle with 9mm, allowing faster, more accurate follow-up shots. Drawing on crime scene experience in the Chicago area, another host confirms that .380 has proven real-world effectiveness against people, vehicles, and structures, reinforcing that while 9mm is ballistically superior, .380 remains a viable defensive option when paired with good marksmanship.

Street Experience, Caliber Preferences, and Viewer Call to Action

In the closing portion, the hosts lean into their real-world exposure to violence and firearms use, referencing extensive experience in Chicago, including frequent visits to the morgue. They mention having seen .380 used on the streets with lethal effect, which supports their earlier point that the caliber is far from inadequate in actual confrontations. A darkly humorous aside emerges as they joke about opening a future coffee shop called “Corpses and Coffee,” reflecting the grim realities they have witnessed. The conversation then shifts back to the audience, as they ask viewers whether this discussion has renewed their confidence in .380 or if they still prefer 9mm for concealed carry. They jokingly label .40 caliber carriers as “weirdos,” adding a playful jab to the caliber wars. The video concludes with a clear call to action, inviting viewers to share their opinions in the comments and to visit ClassicFirearms.com for firearms, accessories, and related gear, tying the educational content back to the channel’s broader community and offerings.