Pocket Pistol Caliber Comparison — 2026

9mm vs. .380 ACP

The complete 9mm vs. .380 ACP comparison — specs, value, reliability, and which is right for you in 2026.

Head to Head — 2026

9mm vs. .380 ACP — Complete Comparison

The 9mm vs. .380 ACP debate centers on the smallest practical defensive calibers. When does the .380’s smaller size justify the performance trade-off? The complete 2026 analysis.

SPECIFICATION	9MM	.380 ACP
Bullet Diameter	0.355″	0.355″
Common Bullet Weight	115–147 gr	85–95 gr
Typical Velocity	1,100–1,200 fps	850–1,000 fps
Typical Energy	350–500 ft-lbs	190–250 ft-lbs
Penetration (FBI standard)	12–18″	9–14″ (marginal)
Recoil	Moderate	Mild
Typical Firearm Size	Subcompact to full-size	Pocket to subcompact
Ammo Cost	$0.22–$0.35/round	$0.28–$0.45/round

Strengths

Where Each Wins

9MM WINS AT:

✓ More energy — better terminal performance

✓ Meets FBI minimum penetration standards

✓ Available in very compact pistols (G43X)

✓ More ammo and gun options

✓ Lower ammo cost per round

✓ Standard defensive caliber for professional use

.380 ACP WINS AT:

✓ Lower recoil — more controllable for some

✓ Smaller pistols possible (Ruger LCP)

✓ Better for shooters with limited strength

✓ Still effective at self-defense distances

✓ Lighter carry weight

✓ Sufficient for most defensive encounters

The Verdict

For most shooters, 9mm in a compact like the G43X or P365 provides the best balance. Choose .380 if you specifically need a very small pocket pistol and 9mm subcompacts remain uncomfortable. Modern .380 JHP is genuinely effective — it’s not a bad choice, just a marginal one.

2026 Private Sale Values

What Each Is Worth Today

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FIREARM	2026 PRIVATE VALUE	VALUE RETENTION	FULL GUIDE
Glock G43X (9mm)	9mm	$380–$470	Value
Sig P365 (9mm)	9mm	$380–$480	Value
Ruger LCP MAX (.380)	.380 ACP	$280–$370	Value
Sig P238 (.380)	.380 ACP	$420–$540	Value

FAQs

Comparison FAQs

Is .380 ACP enough for self-defense?

With modern JHP ammunition (Hornady Critical Defense, Federal HST), .380 ACP is sufficient for self-defense at close range. The FBI minimum penetration standard of 12″ is met by most quality .380 JHP loads — but marginally.

Why is .380 more expensive than 9mm?

Lower production volume and specialized market — 9mm’s massive military/LE adoption drives commodity pricing. .380 is a specialty carry caliber with a smaller market.

The Complete System