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|Bullet Weight||135 Grain|
|Bullet Type||Expanding Full Metal Jacket|
|Ammo Casing||Nickel-Plated Brass|
|Ammo Caliber||.40 S&W (Smith & Wesson)|
|Muzzle Velocity (fps)||1200|
|Muzzle Energy (ft lbs)||432|
We wanted to know exactly what happens to a self-defense handgun bullet on impact, so following FBI protocols, we fired five rounds of Federal 135 gr Guard Dog from 10 feet, through four layers of cloth (to simulate clothing), into synthetic ballistic gelatin. The photos below show the bullets recovered from the gelatin after being fired from a Glock 27 pistol. There’s also a high speed video that shows the bullet impacting the gelatin block.
All the data we gathered pertaining to expansion and penetration of this load can be found in the chart below, and the diagrams at the bottom of the page show how it compares to other .40 S&W (Smith & Wesson) self-defense loads from our tests.
In addition to the .40 S&W (Smith & Wesson) Federal 135 gr Guard Dog, we tested over 100 other self-defense loads, so check out Lucky Gunner Labs for the full story.
|40 S&W - 135 Grain Expanding FMJ - Federal Premium Guard Dog - 20 Rounds|
|Bullet Depth (in.)||9.8||9.9||10.6||10.9||13|
|Expanded Diameter (in.)||0.62||0.65||0.65||0.66||0.66|
|Bullet Weight after shot (gr.)||133.9||134.3||134.6||134.9||135|
|Bullet Velocity (fps)||1044||1132||1138||1138||1166|
In my opinion the best home defense round.
Review by Engelchen
Penetration through barriers is great, almost no background danger. Excellent energy and impulse data on numerical recording system compared to other.40‘s.
(Posted on 12/10/2019)
1 of 2
I'm very pleased with this ammo. Great stopping power
Review by Rob
Mushrooms consistently with every shot. Great stopping power.
(Posted on 2/19/2017)
2 of 2
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