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Silverback 60 Newton mainspring for SRS & TAC-41 replicas
Precision-engineered 60 Newton mainspring built for SRS and TAC-41 bolt-action replicas. Meets APS 13 mm standard with 9 mm spring guide compatibility. Delivers consistent performance across all TAC-41 models and SRS platforms—excluding Push-Bolt variants. Drop-in upgrade for reliable cycling and improved shot consistency.
$6.17
Original: $20.58
-70%Silverback 60 Newton mainspring for SRS & TAC-41 replicas—
$20.58
$6.17Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Precision-engineered 60 Newton mainspring built for SRS and TAC-41 bolt-action replicas. Meets APS 13 mm standard with 9 mm spring guide compatibility. Delivers consistent performance across all TAC-41 models and SRS platforms—excluding Push-Bolt variants. Drop-in upgrade for reliable cycling and improved shot consistency.
