![Fostech Kalashnikov USA KR-103 7.62x39mm AK-47 Rifle with Fostech AK-47 Echo Binary Trigger | Centerfire Systems Fostech Kalashnikov USA KR-103 7.62x39mm AK-47 Rifle with Fostech AK-47 Echo Binary Trigger | Centerfire Systems](https://cdn9.coreware.com/cache/image-full-31790-64f6b507be071cb92979b8086d072afd.jpg)
Fostech Kalashnikov USA KR-103 7.62x39mm AK-47 Rifle with Fostech AK-47 Echo Binary Trigger | Centerfire Systems
![Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military. Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military.](https://i0.wp.com/fostech.com/wp-content/uploads/2021/08/cropped-favicon.png?fit=512%2C512&ssl=1)
Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military.
![Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military. Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military.](https://i0.wp.com/fostech.com/wp-content/uploads/2022/08/cropped-FOSTECH.COM-WEBSITE-MENU-LOGO-BLACK.png?fit=512%2C278&ssl=1)
Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military.
![Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military. Fostech, Inc. – Fostech manufactures products that are on the cutting edge of technology and strives to continue to bring new and innovative products to our customers both civilian and military.](https://i0.wp.com/fostech.com/wp-content/uploads/2021/04/ECHO.jpeg?resize=230%2C230&ssl=1)