Patriotic
AICS Mag Blocks

High-quality American flag AICS Mag Block / Empty Chamber Indicator (ECI) can be used on AICS short action compatible DBM or chassis systems to prevent the bolt from closing.
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^{Rated 5.0/5.0 on Etsy}

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AICS Mag Block

$19⁹⁹

AICS Mag Block 3D printed to AICS specs with PLA+ and a high infill percentage at crucial areas to insure a lasting product. SHIPS FREE.

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3D Print File

$19⁹⁹

Want to print the Patriotic AICS Mag Block on your own? Digital download of the 3D print file, authorized for personal use.

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Designed for Safety

Bright orange, competition legal AICS Mag Block / Empty Chamber Indicator (ECI) that prevents the bolt from closing, indicating an empty chamber.

Made in the USA

Our AICS Mag Blocks are proudly designed in the USA, manufactured here, and SHIPS FREE across the United States of America.

AICS Mag Block / Empty Chamber Indicator (ECI) Photo Gallery

Have a question?

Questions about how our AICS Mag Block / Empty Chamber Indicator (ECI) will fit? Bulk orders? Other color options?
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