20rds - 40 S&W MAGTECH Guardian Gold 155gr. HP Ammo

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Magtech 155 Grain Jacketed Hollow-Point (JHP) Ammo Details

40 S&W MAGTECH Guardian Gold 155 Grain HP Ammo – 20 Rounds



Magtech has been dedicated to producing high quality ammunition for more than 90 years. Manufacturing all their own ammo components, Magtech has full control over every stage of the manufacturing process, guaranteeing the quality of the final product. Only the best raw materials available and cutting edge manufacturing techniques are used to deliver the standards that have made Magtech an internationally recognized name in the ammo industry.



This package contains 20 rounds of Magtech Guardian Gold .40 Smith & Wesson ammunition. Each cartridge is loaded with a 155 grain jacketed hollow point projectile. Providing a great balance of power, penetration, and expansion, Magtech Guardian Gold is a highly popular personal defense round, especially for the budget conscious shooter.



This ammunition is factory fresh and passes a meticulous quality control inspection before it reaches the consumer. Each reloadable brass case is primed with reliable ignition primers and features high-quality, clean burning propellants. Each round produces a consistent muzzle velocity of 1205 feet per second and 500 foot pounds of muzzle energy.

  • Product Type
    Ammo
  • Manufacturer
  • Condition
    New
  • Bullet Weight
    155 Grain
  • Use Type
    Self Defense
  • Casing Type
    Brass
  • Quantity
    20
  • Ammo Caliber
    40 Smith & Wesson
  • Manufacturer SKU
    GG40A
  • Primer Type
  • Muzzle Velocity
    1205
  • Muzzle Energy
  • UPC Barcode
    754908174515
  • Cost Per Round
    $0.97/ppr

Gel test Results

As you hunt for the best self-defense 40 Smith & Wesson ammo, we thought you might enjoy seeing the results of some testing we recently conducted with calibrated Clear Ballistics gelatin.

We shot five of these Magtech rounds through a four-layer cloth barrier using a S&W M&P40C. The results are detailed in the video you see above as well as the photographs. Through the charts, you should get a great idea how this Magtech ammo stacked up relative to other 40 Smith & Wesson ammo products available to American shooters.

To get a better sense of our tests, be sure to check out all the protocols we followed when conducting our tests to determine the best self-defense ammo.

Unfired versus Fired Round Comparison

Image detailing before and after firing 20rds - 40 S&W MAGTECH Guardian Gold 155gr. HP Ammo Image detailing before and after firing 20rds - 40 S&W MAGTECH Guardian Gold 155gr. HP Ammo

How do the results for this Magtech 40 Smith & Wesson compare to other Hollow Point?

20rds - 40 S&W MAGTECH Guardian Gold 155gr. HP Ammo Gel Test Results

  Median
Bullet Depth (in.) 16 16.8 18.7 19.4 19.6
Expanded Diameter (in.) 0.55 0.58 0.59 0.6 0.6
Bullet Weight after shot (gr.) 154.4 154.6 154.6 154.8 155.6
Bullet Velocity (fps) 1165 1170 1172 1183 1184

The Reviews

Why Shooters and Hunters love or hate 20rds - 40 S&W MAGTECH Guardian Gold 155gr. HP Ammo

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  • ☆☆☆☆☆

    posted on by Snappy

    Feeds and functions normally even in Walther PPS which can be picky due to high feeding angle. "Snappier" recoil makes it feel like a +P but manageable in SigPro. Hope to not have to use "real world" but confident for home defense.

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