Replacement Mag Spring for PSA 5.7 Extension

Excess Arms
$15.00
(1 review)
Current Stock:
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This spring fits the Excess Arms +7 Mag extension for the PSA 5.7 Rock. The Magazine Spring is wound from high strength Music Wire to ensure unparalleled reliability without needlessly increasing loading force.

Reviews

  • 5
    Extended 5.7 mag spring

    Posted by Derek on Jul 28th 2025

    Fit and work great