Maple leaf m145 upgrade spring for marui vsr sniper series

Increase the power and effective range potential of your VSR build with the Maple Leaf M145 Upgrade Spring, made for Tokyo Marui VSR sniper series rifles and VSR-compatible platforms. This spring is a popular choice for players building a higher-performance sniper setup, offering a solid foundation for improved long-range consistency when paired with the right supporting upgrades (air seal parts, hop rubber, barrel, and correct tuning).

An M145-rated spring is aimed at higher FPS builds, so it's best suited to experienced players/techs who understand site limits and the importance of a balanced internal setup. If you're upgrading from stock, this is a straightforward way to push your rifle towards more competitive sniper performance - while keeping reliability in mind.

Key Features

• M145 rated upgrade spring for higher power VSR builds
• Designed for Tokyo Marui VSR sniper series compatibility
• Ideal for performance-focused sniper upgrades and rebuilds
• Works best when combined with improved air seal and hop tuning
• Quality Maple Leaf component for dependable fit and function

Specifications

• Product name: Maple Leaf M145 Upgrade Spring
• Platform compatibility: Tokyo Marui VSR Sniper Series / VSR-style compatible rifles
• Spring rating: M145
• Type: GBB Sniper spring (VSR type)
• Function: Increases piston spring force to raise muzzle energy/output
• Material: (metal)
• Included: 1x upgrade spring