Silverback 40 Newton mainspring for SRS & TAC-41 replicas

Upgrade your SRS or TAC-41 replica with the Silverback 40 Newton mainspring. This high-quality spring from Silverback Airsoft is engineered for reliability and performance in airsoft upgrades. Specifically designed for use with the APS 13mm standard, it delivers consistent power for SRS replicas (excluding Push-Bolt) and all TAC-41 models. Its precise dimensions — outer diameter 13 mm and inner diameter 9 mm — ensure a clean, drop-in fit. This is the 40 Newton mainspring for SRS and TAC-41 airsoft replicas, a trusted choice for players seeking realistic feel and dependable cycling. 🛡️ Internal link: /collections/airsoft-parts

• Trusted brand — from Silverback Airsoft, renowned for high-quality components in the airsoft community, ensuring reliable upgrades for your rifle.
• Compatibility — Suitable for SRS replicas (except Push-Bolt) and all TAC-41s, making it a versatile upgrade.
• APS 13mm standard — Designed to work with the APS 13mm standard for reliable fit in most configurations.
• Dimensional precision — Outer diameter 13 mm, inner diameter 9 mm to ensure proper seating and cycling.
• Power rating — 40 Newton rating provides consistent spring force across shots for stable performance.
• Easy upgrade — Designed for straightforward replacement in compatible SRS and TAC-41 setups.

Technical specifications

• Power rating: 40 Newton
• Compatibility: SRS replicas (except Push-Bolt) and TAC-41s
• APS standard: APS 13mm
• Outer diameter: 13 mm
• Inner diameter: 9 mm
• Brand: Silverback Airsoft