40 Cal Ammo

.40 Smith & Wesson ammo is a widely used cartridge for concealed carry and law enforcement. Although it has a reputation for severe recoil, the .40 S&W offers excellent ballistic potential in trained hands. It is based on a 10mm Auto casing shortened to fit into handguns originally designed for the 9mm Luger.

Most 40 cal loads fire a 165 or 180 grain bullet at 950-1100 feet per second; for those who want more reliable expansion or are concerned with overpenetration, lighter bullets in the 135-155 grain range (with corresponding increases in velocity) are also available.

Many manufacturers offer handguns in this caliber, in part due to its intentional compatibility with existing 9mm designs. Notable .40 S&W pistols include Smith & Wesson's own M&P40, Ruger's SR40C, the Beretta Px4 Storm, the Springfield XD, and even some variants of the Browning Hi-Power.

You'll find in-stock 40 cal ammo for sale here at Widener's from great brands like Federal, Winchester, PMC, Magtech and more so you can focus on your next range trip and not worry about the reliability of your rounds.

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2 product(s)

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  1. Speer Gold Dot 40 S&W 180 Grain JHP - 50 Rounds

    $54.85

    In stock

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    Manufacturer Speer
    Condition New
    Bullet Weight 180 Grain
    Bullet Type Jacketed Hollow-Point (JHP)
    Use Type home defense
    Casing Type Nickel-Plated Brass
    Quantity 50
    Ammo Caliber 40 Smith & Wesson
    Manufacturer SKU 53962
    Primer Type Boxer
    Magnetic No
    UPC Barcode 076683539625
    Cost Per Round $1.10 per round

    Law enforcement officers and concealed carriers across the country trust Speer Gold Dots as their carry round. Pick up a few of these 50 round boxes for your training and self-defense needs!

    Each .40 S&W cartridge fires a 180 grain jacketed hollow point bullet at 1,025 feet per second. Gold Dot bullets feature a bonded-core design that is customized for each projectile weight and caliber to produce the right combination of expansion and penetration.

    Gold Dot ammo is made in the USA using low-flash propellants, nickel-plated brass cases, and non-corrosive primers made by Speer's sister company, CCI. These Boxer primers are well known among reloaders for their high degree of reliability.

  2. Black Hills 40 S&W 140 Grains Barnes Tac - XP Hollow Point - 20 Rounds

    $27.62

    In stock

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    Manufacturer Black Hills Ammunition
    Condition New
    Bullet Weight 140 Grain
    Bullet Type Solid Copper Hollow Point (SCHP)
    Use Type home defense
    Casing Type Brass
    Quantity 20
    Ammo Caliber 40 Smith & Wesson
    Manufacturer SKU D40N620
    Primer Type Boxer
    Magnetic No
    UPC Barcode 612710127948
    Cost Per Round $1.38 per round

    Solid Copper Hollow Point (SCHP) ammo that's as ready as you are for home defense. Made by Black Hills Ammunition, this 40 Smith & Wesson ammunition is Brass-cased, Boxer-primed with a 140 Grain bullet. These are trusted New rounds so sleep easy knowing you're picking up 20 rounds of 40 Smith & Wesson that promises reliable feeding and extraction shot after shot.

2 product(s)