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This category features high-performance aftermarket components for VSR and GBB replicas, including hop-up rubbers, TDC hop-up chambers, and upgrade kits designed to enhance accuracy, consistency, and power. Essential for tuning Silverback TAC-41 and SRS systems with precision-engineered parts like the Kraken TDC chamber and 50º/60º flat hop-up rubbers.

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Action Army

300mm 6.03 Inner Barrel VSR-10 (G-Spec)

$30.00 USD

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Action Army

430mm 6.01 Inner Barrel for MARUI VSR-10 FN-SPR

$39.00 USD

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Action Army

300mm 6.01 Inner Barrel for G-Spec

$30.00 USD

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Action Army

550mm 6.01 Inner Barrel for VSR-10

$39.00 USD

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Action Army

500mm 6.01 Inner Barrel for VSR-10

$39.00 USD

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Action Army

500mm 6.03 VSR-10 Inner Barrel

$39.00 USD

Save 22%

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Prometheus

EG Barrel 370mm for M4A1MWS (6.03mm)

$54.00 USD $69.00 USD

Save 22%

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Prometheus

GBB 370mm Barrel for M4A1 MWS (6.00mm)

$54.00 USD $69.00 USD

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Laylax

F-Factory Tokyo Marui Gas BB M4A1 MWS Custom Inner Barrel 250mm

$49.00 USD

Save 36%

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Action Army

550mm 6.03mm Inner Barrel for VSR-10

$25.00 USD $39.00 USD

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Action Army

430mm 6.03 Inner Barrel for VSR Marui VSR-10 FN-SPR

$39.00 USD