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Customer Reviews
Helpful Positive Review
underworld jxp 10mm is good by rick, Verified Owner, January 7, 2024
These jxp 10mm rounds seem pretty good. I haven’t shot them yet but they look and feel nice. Id definitely buy them again.
1/2 found this helpful
Helpful Positive Review
Real 10mm ammo by wrenchman76, Verified Owner, October 31, 2024
Underwood is one of the few manufacturers that fully load 10mm to its full potential. Never disappoints me. XTP is a proven projectile. What I use for my everyday carry
1/1 found this helpful
Helpful Positive Review
Great stuff! by CC, Verified Owner, November 14, 2024
Can’t go wrong with Underwood! Definitely a good grab when on sale for great ammunition.
1/1 found this helpful
Helpful Positive Review
Fast hard hitting by B.A., November 13, 2023
This ammunition ran thru my XDm 10mm elite like butter tight groups flawless function. I’d recommend this ammo to anyone for self defense needs.
2/2 found this helpful
Most Recent Reviews
Has A Bit Of A Kick But Accurate by Naturalist, Verified Owner, September 22, 2025
I used the Underwood 10mm Auto 180gr Xtp Jhp ,in both an EAA Tangfolia Witness Standard and Compact pistols and had no issues with functioning. The Guns functioned flawlessly. At 20 yards they were very accurate and the grouping for 5 shots was about...
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Most Recent Reviews
The Good Stuff by Foot Hills Phil, Verified Owner, September 3, 2025
No 40cal Short & Weak performance from this ammo. This is the good stuff. The 135 gn has the massive but abrupt energy dump on target but the 180gn has the penetration. This is the 10mm as 10mm was intended to be. a rival to the 41 Rem Mag in an a...
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Read All 14 Reviews
Number of Rounds:
20

Code: 40U-LAP-A1050-243

MPN: 243

UPC: 816874020859

List: $45.64Save 38%
$1.42/Round
$28.49

Product Info for Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammunition

Underwood Ammo loads premium ammunition with a focus on reliable accuracy using new brass, high quality projectiles and primers, and clean burning flash suppressed powders.image

WARNING: California`s Proposition 65

Specifications for Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammunition:

Manufacturer: Underwood Ammo
Caliber: 10mm Auto
Number of Rounds: 20
Bullet Type: Jacketed Hollow Point (JHP)
Bullet Weight: 180 grain
Cartridge Case Material: Nickel Plated Brass
Muzzle Velocity: 1300 ft/s
Muzzle Energy: 676 ft-lbs
Application: Hunting
Package Type: Box
Primer Style: Centerfire
Lead Free: No

Package Contents:

  • Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammo

Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammunition Orderable Models

List of Orderable Models

  • Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 243 , MPN: 243 , UPC: 816874020859 , Code: 40U-LAP-A1050-243
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Last updated 2026-08-07 UTC.