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Christensen Arms 8010200900 Mesa Long Range 300 Win Mag 3+1 26″ Threaded Barrel, Burnt Bronze Cerakote, Green with Black/Tan Webbing Stock

June 19, 2026
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Canik TP9 Elite SC Handgun Magazine with Finger Rest 9mm Luger 15/rd

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Underwood Xtreme Penetrator Handgun Ammunition .380 ACP 90gr Solid 1100 fps 20/ct

$39.22

Underwood Xtreme Penetrator Handgun Ammunition .380 ACP 90gr Solid 1100 fps 20/ct

50 in stock

SKU: CSSI|UB643 Category:

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

  • This ammo is for cartridge size .380 ACP.
  • The bullet is made from Copper.
  • The diameter (caliber) of this bullet is 0.355.
  • This bullet weighs 90 grains.
  • This bullet leaves the barrel at 1100 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 242 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 0.10202057414912. 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 0.12 – 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

816874020057

Manufacturer

UNDERWOOD AMMO

Manufacturer Part Number

643

Caliber/Gauge

.380 ACP

Case Material

Nickel-Plated Brass

Grains

90 gr

Length

2.6500

Shipping Weight

0.21

Units per Box

20

Cost per Round

1.96