The Spartan Armor Systems Spall Containment Sleeve wraps around Spartan Omega AR500 and AR550 Steel Core body armor plates to reduce or eliminate spalling by containing fragmentation within layers of ballistic-rated Aramid Fibers and a 1000D Cordura Ballistic Nylon casing. Weighing just 0.40 lbs (0.18 kg) and sized at 11" x 13", the sleeve fits 10" x 12" Shooters Cut and High Mobility Cut plates. It pairs specifically with Base Coat and Full Coat Spartan Omega AR500 and AR550 plates and is available in Shooters Cut or High Mobility Cut profiles.

Who this is for

• Steel plate carriers: anyone running Spartan Omega AR500 or AR550 Base Coat or Full Coat plates who wants a meaningful reduction in spall and fragmentation exposure
• Duty and range users: first responders and range shooters who need added confidence that steel-plate fragmentation stays contained after a hit
• Upgraders: existing Spartan AR500/AR550 plate owners looking to add spall mitigation without replacing their plates

Compatibility with parent armor

The sleeve fits 10" x 12" Spartan Omega AR500 and AR550 Steel Core plates in both Shooters Cut and High Mobility Cut geometries. It is designed specifically for Base Coat and Full Coat plate variants. The 11" x 13" outer dimension of the sleeve accommodates the plate with enough material to fully enclose the edges where spall is most likely to escape. If you are unsure which cut or variant you have, contact us before ordering.

Function

Steel core armor plates can generate secondary fragmentation — commonly called spall — when a projectile strikes the face of the plate. The sleeve addresses this by encasing the plate in ballistic-rated Aramid Fiber layers backed by a 1000D Cordura Ballistic Nylon outer casing. Together, these layers work to contain fragmentation and reduce the energy and dispersion of any spall that does form. The result is a meaningful upgrade in protection margin for anyone already using steel plates — without the cost of switching to a ceramic or polyethylene system.

Specifications

Frequently asked questions

What does this sleeve work with?

It works with 10" x 12" Spartan Omega AR500 and AR550 Steel Core plates in Shooters Cut and High Mobility Cut. It is sized and engineered specifically for Base Coat and Full Coat variants of those plates. It is not designed for ceramic, UHMWPE, or third-party steel plates.

Does this sleeve add a ballistic rating on its own?

No. The sleeve is a spall containment accessory, not a standalone ballistic panel. It does not carry an independent NIJ rating. Its function is to reduce or eliminate fragmentation generated by the steel plate it wraps — not to stop projectiles on its own.

How does this differ from the Base Coat and Full Coat applied directly to the plate?

The Base Coat and Full Coat are coatings applied to the plate surface itself. This sleeve is a separate, removable enclosure that wraps around the entire plate and adds a layer of Aramid Fiber containment over and above any coating already on the plate. It provides an additional margin of spall control for Base Coat or Full Coat plates.

Does it add meaningful weight or bulk to my loadout?

It adds 0.40 lbs (0.18 kg) per sleeve. For a two-plate setup, that is 0.80 lbs of additional carry weight. The 11" x 13" outer dimension fits inside standard plate pockets sized for 10" x 12" plates, though a snug fit in tight cummerbund side-plate pockets is possible — contact us if you need fitment confirmation for your specific carrier.

What is the warranty on this sleeve?

The sleeve carries a 5-year warranty against manufacturer defects.

Can this sleeve be shipped to my state?

The spall containment sleeve is a non-ballistic accessory and is not subject to the state body armor restrictions that apply to ballistic plates and soft armor panels. Under 18 U.S.C. § 931, anyone with a federal felony conviction for a crime of violence is prohibited from purchasing or possessing body armor — confirm your eligibility before ordering.