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20 Rounds of 9mm Ammo by Federal - 105gr EFMJ

Out of Stock

$20.00
5.0

1 Review(s)

Ammo Overview

Quantity - 20 rounds
Manufacturer - Federal
Bullets - 105 grain expanding full metal jacket (EFMJ)
Casings - Boxer-primed nickel-plated brass

Details

One of the more innovative ideas for a personal defense ammunition of late, the Federal Premium Guard Dog is a fully encased, lower grain weight bullet that seems to expand inside out after penetration. This seemingly would allow for a better feeding cartridge into a chamber and then allow specific guarantee of expansion after entry into a target and penetration. The round works a bit like modern car crash test preventive measures: Crumple zones. The bullet impacts the person, and regardless of the layers of clothing they are wearing, the bullet is barrier blind and expands. Uniform, consistent expansion every time. This is a 105 grain projectile.

Another key aspect about the design philosophy of the Guard Dog ammunition is that it is limited in its ability to penetrate walls, or otherwise cause overpenetration concerns once it has hit your target. This is important to understand: any projectile can generally penetrate a standard new construction drywall/gypsum wall in a home/apartment. The overpenetration ”failsafe” that is part of this ammunition design is for after it has hit a target. The goal is to hit what you aim at, and after that, the overpenetration should not be a concern.

This ammunition is safe for use in any 9mm Luger (9x19mm) firearms

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Our customer service team has published this Q&A information as a free service to the shooting community. Please note that BulkAmmo.com expressly disclaims any and all liability with regard to how the shooting community might use this Q&A information. See Terms of Use for more details.

Posted On: 9/30/11 By: Ron

A: You should look for ammo that will function reliably in your firearm and penetrate deep enough in soft tissue to reach vital organs - 12" penetration in ballistic gelatin is the normal standard for this. It should also perform well through barriers such as heavy clothing.

Posted On: 9/28/11 By: Tom

A: This is what is called "Expanding Full Metal Jacket." Federal designed this projectile for use in weapons that might not cycle jacketed hollow points or for states or localities that prohibit the use of hollow point ammunition. The rounded projectile design helps EFMJ feed better in certain semiautomatic weapons, however, it will still expand when it hits a target. In comparison to most jacketed hollow point 9mm ammunition, this projectile is lighter and traveling at a higher speed. Terminal ballistics testing shows that projectiles with those characteristics penetrate less than heavier projectiles, which tend to retain momentum.

Posted On: 9/27/11 By: Steve

A: Both projectile designs have the potential to penetrate multiple interior walls. If they did not, they would not be powerful enough to stop a violent attacker.

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