Underwood .45 ACP Ammo
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45 ACP - +P 230 Grain JHP - Underwood - 20 Rounds
Brand:
Underwood Ammo
Bullet Type:
Jacketed Hollow Point (JHP)
Caliber:
.45 ACP
Capacity:
20
Finish Per Color:
Nickel Plated Brass
Rounds:
20
From:
$22.32
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10
(0)
Underwood Xtreme Defender Ammunition 45 ACP +P 120 Grain Lehigh Xtreme Defense Lead-Free Box of 20
Brand:
Underwood Ammo
Bullet Type:
Solid
Caliber:
.45 ACP
Capacity:
20
Grains:
120 grain
Rounds:
20
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Underwood Ammo .45 ACP +P 255gr. Flat Nose Hi-Tek Coated Centerfire Pistol Ammunition, 20 Round, 727
Brand:
Underwood Ammo
Bullet Type:
Flat Nose
Caliber:
.45 ACP
Rounds:
20
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45 ACP - 230 Grain JHP - Underwood - 20 Rounds
Brand:
Underwood Ammo
Bullet Type:
Hollow Point
Caliber:
.45 ACP
Grains:
230 grain
Rounds:
20
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UNDERWOOD AMMO .45ACP +P 185GR. JHP 20-PACK
Brand:
Underwood Ammo
Bullet Type:
Hollow Point
Caliber:
.45 ACP
Grains:
185 grain
Rounds:
20
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Underwood Ammo .45 Super 255 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 728
Brand:
Underwood Ammo
Caliber:
.45 ACP
Rounds:
20
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Underwood Ammo .45 Super 230 Grain Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 624
Brand:
Underwood Ammo
Caliber:
.45 ACP
Rounds:
20
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Underwood Ammo .45 Super 200 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 824
Brand:
Underwood Ammo
Caliber:
.45 ACP
Rounds:
20
Frequently Asked Questions
Underwood .45 ACP Ammo
Is underwood ammunition any good?
Underwood ammo is well-regarded for high-performance loads, often pushing velocities beyond standard offerings. Quality control is generally reliable. Pricing runs around $28 per box, ranging from $22–$51 depending on caliber and load. Popular among self-defense and hunting shooters seeking extra velocity.
What is the shelf life of .45 ammo?
Properly stored .45 ACP rounds last decades or longer. Manufacturers conservatively recommend use within ten years, though ammunition doesn't expire. Storage conditions matter most—keep rounds cool, dry, and away from moisture and temperature swings. Poor conditions can degrade ammo in just a few years.
What are the disadvantages of .45 ammo?
.45 ACP produces more recoil than 9mm, slowing follow-up shots for some shooters. Magazine capacity is lower than comparable 9mm pistols, which hold 15+ rounds, though modern .45 ACP designs can hold nine or more rounds. Ammunition costs more per box, and the larger cartridge requires a bigger, heavier frame, making concealed carry less comfortable.
What is the hardest hitting 45 ACP ammo?
Speer Gold Dot 230-grain JHP and Federal HST 230-grain consistently top performance rankings for .45 ACP, delivering reliable expansion and 12 to 14 inches of penetration in ballistic gel. Hornady Critical Duty +P and Winchester PDX1 230-grain are strong alternatives with comparable terminal performance.