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Underwood Ammo Xtreme Penetrator (Platinum Edition) Handgun Ammunition 10mm Auto 140gr Solid 700 fps 20/ct

This ammunition is new production non-corrosive in boxer primed reloadable brass cases.

  • This ammo is for cartridge size 10mm Auto.
  • The bullet is made from Copper.
  • The diameter (caliber) of this bullet is 0.4.
  • This bullet weighs 140 grains.
  • This bullet leaves the barrel at 1500 feet per second.
  • The ammo case is made from Nickel Plated Brass.
  • This ammo is a proven round for hunting.
  • The bullet in this product does NOT contain lead.
  • This round is designed to be supersonic and travels faster than the speed of sound.
  • The muzzle energy of this ammo is 700 ft lbs.
  • This product has been designed to be an effective choice for the ultimate in self-defense applications.
  • The bullet in this product has a Sectional Density (SD) of 0.125. SD is the ratio of an object's mass to its cross sectional area with respect to a given axis. It conveys how well an object's mass is distributed (by its shape) to overcome resistance along that axis.
  • This ammo IS SAFE to use in a suppressor.
  • The bullet in this ammo has a ballistic coefficient (G1) of – Generally the higher the coefficient the more stable the projectile will be in flight.
  • Each box of ammo contains 20 loaded pieces of ammunition.
  • This ammo is manufactured by Underwood Ammo
UPC

Manufacturer

Manufacturer Part Number

Grains

Caliber/Gauge

Units per Box

Cost per Round

Length

Underwood Ammo Xtreme Penetrator (Platinum Edition) Handgun Ammunition 10mm Auto 140gr Solid 700 fps 20/ct

Underwood Ammo Xtreme Penetrator (Platinum Edition) Handgun Ammunition 10mm Auto 140gr Solid 700 fps 20/ct

$48.37

SKU CSSI|UB941 Category Brand:

Availability: 7 in stock

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🚚 Shipping Information

In-store or Non-restricted Items
✅ Ships directly from our us or the distributor
✅ Arrives in 3–7 business days

Restricted Items “Ships to us first”
📦 Some firearms and optics must ship to us first due to manufacturer restrictions 
⚡ Minimal delay — we ship it out as soon as we receive it
📍 Delivered to you oryour chosen local FFL
📅 Total time: 5–10 business days

Quick FAQ – Blackbox Ballistics

Prices & Sales – We price with a standard percent over cost unless MAP (Minimum Advertised Pricing) restrictions apply. We often run sales, and if you see a better price, give us a shot at meeting or beating it.

Inventory – We’re not a full brick-and-mortar store, so most items ship from distributors. Sometimes we have products in stock — especially popular firearms, ammo and optics.

Special Orders – Don’t see it? We can probably get it. Just ask.

Returns – See our Return Policy for details. Firearms, ammo, and special orders can’t be returned once transferred or shipped.

Transfers – Yes, we handle transfers from other sellers. By appointment for privacy.

Payments – We accept cash, credit cards, and ACH transfers. Cash/ACH may qualify for a discount.

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