SSI Special Threat Inserts














SSI Special Threat Plates™ are designed and manufactured in the USA according to strict quality guidelines using state of the art manufacturing equipment and processes. Built to exceed law enforcement standards the Guardian Plate is superior to many products on the market today. When it comes to weight, performance, and cost there is no comparison.

SSI plates are designed to withstand ballistic and shrapnel threats of all types based on level of protection. Special Threat IIIA plates can be used in a variety of carriers including soft armor vests, plate carriers, and various EOD type suits. Guardian plates are versatile and help to improve chances of high velocity and special threat handgun protection when worn by law enforcement and other security personnel.



The SSI Special Threat Plate is NIJ 0108.01 tested and is designed to defeat Level IIIA threats from high velocity handgun rounds. The STP is a Super Lightweight UHMWPE based hard armor plate with proprietary advanced ballistic matrix material components.


Ballistic Protection

Protection Level: Level IIIA
UHMWPE: Ultra High Molecular Weight Polyethylene
Positive Buoyancy: Product floats in water
Threat Compliant:.357 SIG FMJ,.44 Magnum SJHP. It also provides protection against most handgun threats, as well as the threats mentioned in [Types I, IIA, and II].
Multi-hit capabilities



Exterior Cover: 1000D Cordura®, Textured Nylon
Shape & Cut: Flat, Full Cut, Shooter Cut
Thinness: .25”
Size Chart

All sizes are measured in inches and weights vary depending on cut.
Size Shape Cut Weight (lbs/kg)
5 x 7 FLAT Full Cut 0.4 / 0.16
5 x 8 FLAT Full Cut 0.4 / 0.18
6 x 6 FLAT Full Cut 0.3 / 0.15
6 x 8 FLAT Full Cut 0.5 / 0.21
8 x 10 FLAT Full Cut 0.8 / 0.36
8 x 10 FLAT Shooters Cut 0.8 / 0.35
10 x 12 FLAT Full Cut 1.2 / 0.53
10 x 12 FLAT Shooters Cut 1.0 / 0.45

5 years on all ballistic material excluding exterior cover
1 year on exterior cover material and workmanship