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The Gun Store | Waterbury CT

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Underwood Ammo Xtreme Hunter Rifle Ammunition 45-70 Govt 325gr SC 2275 fps 20/ct

October 29, 2026
194939

Griffin Armament MK2PSD30095P-W MK2 PSD 300 Blackout 9.50″ Threaded Barrel, Black Anodized Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, Black Polymer SBA3 Brace, Black A3 Grip, Ambidextrous

October 29, 2026

Underwood Ammo Xtreme Defender (Platinum Edition) Handgun Ammunition .380 Auto 68gr Solid 1300 fps 20/ct

$30.12

Underwood Ammo Xtreme Defender (Platinum Edition) Handgun Ammunition .380 Auto 68gr Solid 1300 fps 20/ct

110 in stock

SKU: CSSI|UB678 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 68 grains.
  • This bullet leaves the barrel at 1300 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 255 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 0.0770822115793352. 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 0.087 – 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

816874023683

Manufacturer

UNDERWOOD AMMO

Manufacturer Part Number

678

Caliber/Gauge

.380 ACP

Case Material

Nickel-Plated Brass

Grains

68 gr

Shipping Weight

0.4

Units per Box

20

Cost per Round

1.51