Underwood .380 Ammo
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Underwood .380 ACP+P, 90gr. XTP JHP, 20rd Box
Brand:
Underwood Ammo
Caliber:
.380 ACP
Rounds:
20
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380 Auto - 90 Grain JHP XTP - Underwood - 20 Rounds
Brand:
Underwood Ammo
Caliber:
.380 ACP
Rounds:
20
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Underwood Ammo .380acp 90gr. - Xtreme Penetrator 20-pack
Brand:
Underwood Ammo
Caliber:
.380 ACP
Rounds:
20
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UNDERWOOD AMMO .380ACP 100GR. HARD CAST FN 20-PACK
Brand:
Underwood Ammo
Caliber:
.380 ACP
Rounds:
20
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380 Auto - 90 Grain JHP - Underwood - 20 Rounds
Brand:
Underwood Ammo
Caliber:
.380 ACP
Rounds:
20
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Underwood Ammo 380 Acp +p 90 Grain Jhp 20/box
Brand:
Underwood Ammo
Caliber:
.380 ACP
Rounds:
20
Frequently Asked Questions
Underwood .380 Ammo
Is Underwood a good ammo brand?
Underwood produces reliable defensive and hunting ammunition known for strong ballistic performance. Their Xtreme Defender and Xtreme Penetrator lines receive positive reviews for accuracy and terminal performance. Pricing runs $16–$40 per box depending on load, making them competitive with comparable premium brands.
Is underwood ammo made in the USA?
Yes, Underwood Ammo is made in the USA. The company manufactures ammunition at its facility in Sparta, Illinois, and has announced expanded manufacturing in Effingham County. All Underwood products are USA made.
Which .380 ammo is best for self-defense?
Best .380 self-defense ammo depends on your pistol. Hornady Critical Defense, Federal Premium HST, and Speer Gold Dot are proven choices with reliable expansion. Underwood Xtreme Defender is also worth considering. Expect to pay $16–$40 per box. Always test your chosen load in your specific firearm before carrying.
Is Underwood Xtreme Defender good?
Underwood Xtreme Defender performs well for self-defense, offering reliable expansion and controlled penetration through monolithic copper construction. It resists over-penetration better than ball ammo while emphasizing strong penetration performance. Priced around $20 per box across six variants, user feedback is positive.
What is the velocity of the Underwood Xtreme defender 380?
The Underwood Xtreme Defender .380 ACP leaves the barrel at approximately 1,300 feet per second. Velocity may vary slightly depending on the specific bullet weight and load variant, so check your particular product's specifications for exact figures.
What does XTP mean on ammo?
XTP stands for eXtreme Terminal Performance. Hornady designed this bullet for self-defense, hunting, and law enforcement use. It expands to roughly 1.5 times its original diameter while maintaining deep penetration that meets FBI protocols. XTP bullets are known for accuracy and reliable expansion across defensive calibers.
Is there a difference between 380 ACP and 380 Auto?
No difference exists. .380 ACP and .380 Auto refer to the same cartridge. You'll also hear it called 9mm Short, 9mm Kurz, or 9x17. All ammunition labeled with these names is interchangeable and will function in any firearm chambered for .380 ACP.