WellFire VSR-10 Series 500 FPS Upgrade Kit – Spring, Piston & Guide Set for MB02/03/07/09/10/11/12

Take your WellFire VSR-10 series sniper rifle to the next level with this high-performance 500 FPS upgrade kit. Designed for serious airsoft marksmen who demand reliability and range, this set includes a reinforced spring, precision-machined aluminum piston, and a sturdy spring guide. Whether you’re replacing worn internals or boosting your rifle’s performance, this kit delivers the power and durability you need for long-range dominance.

Built with rugged stainless steel and aluminum construction, these parts are crafted to handle high-tension setups without warping or cracking under pressure. Engineered to fit seamlessly into Well VSR bolt-action platforms, this upgrade is compatible with a wide range of rifles, including the MB02, MB03, MB07, MB09, MB10, MB11, and MB12. Installation is straightforward for experienced techs and players looking to push their platform to its full potential.

Whether you’re tuning your rifle for a milsim operation or just looking for tighter groupings on the field, this WellFire OEM upgrade set delivers the consistency, speed, and build quality that veteran players trust. With over 20 years in the airsoft game, Airsoft Extreme brings you only battle-tested parts that keep you in the game and on target.

Features

• Boosts VSR-10 sniper rifles to approximately 500 FPS with 0.20g BBs
• Compatible with Well MB02, MB03, MB07, MB09, MB10, MB11, and MB12 rifles
• Durable stainless steel spring guide and piston for longevity under high stress
• OEM WellFire components ensure reliable fit and function
• Ideal for players looking to upgrade range and performance without replacing the entire rifle

Specifications

Length: Approx. 190 mm (varies slightly with model)
Weight: Approx. 120 grams (complete set)
Material: Stainless steel (spring and guide), CNC-machined aluminum (piston)