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Silverback 75 Newton mainspring for SRS & TAC-41 replicas

Silverback 75 Newton mainspring for SRS & TAC-41 replicas

Silverback 75 Newton mainspring engineered for SRS and TAC-41 bolt-action replicas. Built to APS 13 mm standard with 9 mm spring guide compatibility. Excludes SRS Push-Bolt variants. Features durable black coating and laser-etched markings for quick identification and reliable performance in demanding tactical setups.
$20.58
Silverback 75 Newton mainspring for SRS & TAC-41 replicas—
$20.58

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Silverback 75 Newton mainspring engineered for SRS and TAC-41 bolt-action replicas. Built to APS 13 mm standard with 9 mm spring guide compatibility. Excludes SRS Push-Bolt variants. Features durable black coating and laser-etched markings for quick identification and reliable performance in demanding tactical setups.

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