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Is this upper compatible with a maxim Defense JP captured spring? — 1 Answer

by Scott, from WA, United States Asked on December 18, 2022

Name FM Products FM-9 AR 9x19mm Parabellum Rear Charging Upper Receiver, 5 inch w/ Blast Diffuser (4.3)
$349.00 $329.00 Save $20.00
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Answered by Hunter, Gear Expert, from OH, United States, on February 08, 2023

The FM Products FM-9 AR 9x19mm Parabellum Rear Charging Upper Receiver might work with the JP SCS for Maxim Defense if you are using a Maxim Defense compatible brace. I recommend contacting FM Products to confirm compatibility.

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