Service-Disabled Veteran-Owned Small Business
  • Guard House (GH) Window

Guard House (GH) Window

Tool-less, safe-side, quick change window
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Bringing new visibility to traditional fortifications.

Particularly useful in concrete and steel guardhouses, bunkers and other entry control or patrol points that receive recurring enemy small arms and sniper fire, the GH Window allows for increased visibility without sacrificing safety, ensuring that your troops are always on the safe side.

With durable, anti-corrosion powder-coated metal armor surrounding a 1-foot by 1-foot viewable area, the GH Window brings new visibility to typically opaque wall structures.

More conventional window systems are also available for permanent buildings and guardhouses. Unlike the traditional GH Window, the framing of these windows is built directly into the construction, and the window itself offers an NIJ Level IV ballistic design for maximum protection.

Always on the safe side

Should the glass of the GH Window’s viewing area sustain damage, soldiers can change the glass from inside the fortification in under two minutes without the use of tools. Personnel never need to leave the safety and security of the structure in order to make adjustments.


  • Protection: Up to NIJ Level IV
  • Size: 1′ x ‘1 viewable
  • Weight: ~130 lbs

Contact Defenshield Today

Defenshield, Inc. is a veteran-owned, SBA-certified small business manufacturing bullet, blast and fragment resistant equipment for the government, military, law enforcement, and the private sector for anti-terror, force protection, and physical security requirements. Defenshield products are currently saving the lives of a diverse range of customers around the world.


The system provides up to NIJ Level IV Armor-Piercing Resistant protection and can be customized to fit varying sizes and applications.

National Institute of Justice (NIJ) 0108.01 Ballistic Level Breakdown

Rating Ammunition Weight
Number of
Level I .22 long rifle high velocity lead 40 2.6 320 +/- 12 1050 +/- 40 5
Level I .38 special round nose lead 158 10.2 259 +/- 12 850 +/- 50 5
Level IIA .357 mag. jacketed soft poin 158 10.2 381 +/- 15 1250 +/- 50 5
Level IIA 9mm full metal jacket 124 8.0 322 +/- 12 1090 +/- 40 5
Level II .357 mag. jacketed soft poin 158 10.2 425 +/- 15 1395 +/- 40 5
Level II 9mm full metal jacket 124 8.0 358 +/- 12 1175 +/- 40 5
Level IIIA .44 mag. lead semi-wadcutter gas checked 240 15.55 426 +/- 15 1400 +/- 50 5
Level IIIA 9mm full metal jacket 124 8.0 426 +/- 15 1400 +/- 50 5
Level III 7.62mm (.308 Winchester) full metal jacket 150 9.7 838 +/- 15 2750 +/- 50 5
Level IV .30-06 armor piercing 166 10.8 868 +/- 15 2850 +/- 50 1

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The following items are some basic questions to ask when preparing your Defenshield order.

What is the nature of the threat – small arms, rifle rounds, armor piercing, IED blast?

Will the unit be used indoors or outdoors?

Will the unit be used for riot control or hostage negotiations?

Do you require conspicuous deterrence or camouflage?

Will the unit need to match the aesthetics of it’s surroundings – wood or stone finishes?

Will you need traffic control signage, unit logos or law enforcement badges displayed on the unit?

What is the size of the space where the unit will be used?

Will the unit need to fit through doorways, into elevators?

What are you protecting – people, objects?

(For maximum blast mitigation, units must be secured or lagged.)

What surface are you using the unit on – gravel, dirt road, finished concrete, wood floor?

Will the unit be frequently relocated?

Will you be transporting the unit over long distances or within a few feet?