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National Press Release
![]() | Rhode Island's Greystone Corporation Diversifies Into Defense / AerospacePublished 2009-03-02 10:00By Greystone Corporation |


Small Business Contract Award: Mk281 "Green Ammunition" Projectile Bodies
The Mk281 product design enables the Department of Defense (DoD) to fulfill its mission of supporting small businesses. It enables Greystone to become less dependent on the automotive industry, and it enables ARM to strengthen its small business base of producers to fabricate all Mk281 components in the U.S., in accordance with the Senate's "Buy American" requirements.
As a producer of safety critical parts for the automotive industry, Greystone will transfer core automotive capabilities. The high-tolerance precision machining and coating techniques used for stability control braking systems, air bag components, and fuel system components apply to ammunition. Like automotive parts, projectile bodies also require strict adherence to engineering specifications, corrosion protective coatings, and lifetime product traceability.
With over 75 years of continuous business experience, Greystone is technically seasoned and able to deliver on time. "Our supply relationships are deeply established," explained
Besides manufacturing the steel component and plating for the Mk281 projectile body, Greystone will manage the entire projectile manufacturing process. This includes dedicating one supply chain manager to oversee raw material procurement, manufacturing, quality and logistics for the machining, plating and injection molding. For a product like Mk281, 99% of the raw materials for the projectile body are manufactured in
Mk281 is positioned as the market leader in the 40 mm "green ammunition" product category through a U.S. Marines' contract award to Rheinmetall. Mk281 is primarily used by the Marines, but also is used at the Army's National Training Center (NTC) in
The M918 also creates large amounts of Unexploded Ordnance (UXO). It is a 1970 design with a fuze failure rate of 3%-8%, which makes it expensive to clean up. The DoD is searching for ways to phase out the M918 while staying on mission to support Soldiers and small businesses.
With the volume of 40 mm "green ammunition" needed to keep War-fighters' skills sharp on high-velocity machine guns, small businesses like Greystone can successfully compete in this space. The company also recently added aluminum anodizing and manganese phosphate capabilities to support the armed forces demand for weapons, and established a proprietary coating process to increase the life and accuracy of gun barrels.
Greystone was established in 1932 and has two facilities in
For more information, visit us at www.Greyst.com and www.PlatingJournal.com.
SOURCE Greystone Corporation

























