45 Auto +P
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Underwood 45 ACP +P 185 Grain Jacketed Hollow Point (20)
Sale! $20.791 In StockAdd to cart -
Underwood 45 ACP +P 200 Grain Xtreme Penetrator (20)
$54.991 In StockAdd to cart -
Underwood 45 ACP +P 135 Grain Xtreme Defender (20)
$36.99Out of StockRead more -
Underwood 45 ACP +P 230 Grain Full Metal Jacket (50)
$56.99Out of StockRead more -
Underwood 45 ACP +P 230 Grain Jacketed Hollow Point (20)
$24.99Out of StockRead more -
Underwood 45 ACP +P 255 Grain Hard Cast Flat Nose (20)
$27.99Out of StockRead more
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The 45 Auto +P is designed with the same external dimensions as the standard-pressure cartridge. The +P headstamp is what designates cartridges loaded to a higher maximum internal pressure. The difference between the standard 45 Auto and the +P is the inner dimensions creating pressure of 23,000 psi, whereas the standard 45 Auto is 21,000 psi.
AmmoFast carries the standard 45 Auto and the 45 Auto +P in many high quality brands, such as Federal, Hornady, Speer and Winchester.