These Ontos Springs are all the current compatible springs available to tune the performance of your Impulse Ungineering Ontos. The Ontos is the best, most compatible 3D-printed blaster to take Worker Seagull-Style springs. This selection of springs offers a wide range of options to fine-tune your blaster’s performance. 

FEATURES:
• Impulse Ungineering Ontos Springs
• Main Springs for Ontos pump-action springer
• Multiple spring options
• Dial in your blaster's performance
• Easy, Toolless install
• Durable and stylish white zinc coating
• Compatible with Ontos and select other blasters

INCLUDES:
• 1 Ontos Spring of your choice
or
• 1 complete set of 10 springs for a discount!

PERFORMANCE:
Average FPS (Standard Deviation) with the included 0.509 x 12in barrel
• 127 (16) FPS with the 1.30 x 250mm spring
• 148 (10) FPS with the 1.35 x 250mm spring
• 170 (9) FPS with the 1.40 x 240mm spring
• 194 (5) FPS with the 1.45 x 250mm spring
• 219 (4) FPS with the 1.50 x 250mm spring
• 230 (3) FPS with the 1.57 x 250mm spring
• 251 (2) FPS with the 1.65 x 250mm spring
• 260 (2) FPS with the 1.70 x 250mm spring
• 269 (5) FPS with the 1.78 x 250mm spring
• 283 (3) FPS with the 1.83 x 250mm spring

Click here for a complete list of tested performance averages.

SPECS
• Material: USA-Made spring-tempered steel
• Type: Compression Spring
• Dimensions: 
     Spring Gauges: 1.30-1.83mm
     Length: 250mm
     Outer Diameter: 14mm
     Coils: ~35
• Squared:
     Both Ends

LINKS:
• Ontos Blaster
• Barrels
• More Ontos Mods + Accessories
• More Springs