Original: $4.99
-65%$4.99
$1.75The Story
These Nerf Rival Kronos Springs are custom-sourced and tested to be a perfect upgrade mod for your blaster. Depending on the spring you select, you'll need fairly strong hands to prime this spring. All springs have been custom-built and tested to fit the Rival Kronos blaster with squared ends on at least one side for easier installation.
FEATURES:
⢠Compatible with Nerf Rival Kronos
ā¢Ā Medium difficulty in installation
⢠Multiple FPS options available
INCLUDES:
⢠1 Rival Kronos Spring
PERFORMANCE:
AverageĀ FPS
⢠135+ FPS with the OOD 2.1mm Spring
⢠120+ FPS with a hand-cut length of K25
⢠120-125 FPS with the OOD 1.8mm Spring
SPECS:
⢠Material: USA-made spring-tempered steel
⢠Type: Compression
135+ FPS "Strong-Prime"
⢠Dimensions:
Ā Ā Spring Gauge: 2.1mm
Ā Ā Length: 90mm
Ā Ā Outer Diameter: 20mm
Ā Ā Coils: 9
⢠Squared: Both Ends
120+ FPS "Easy-Prime"
Dimensions:
Ā Ā Ā Spring Gauge: 2.0mm
Ā Ā Ā Length: 105mm
Ā Ā Ā Outer Diameter: 24.6mm
Ā Ā Ā Coils: 10
⢠Squared: One end
120-125 FPS
Dimensions:
Ā Ā Ā Spring Gauge: 1.8mm
Ā Ā Ā Length: 120mm
Ā Ā Ā Outer Diameter: 20mm
Ā Ā Ā Coils: 11
⢠Squared: Both ends
⢠Formerly rated as: 14kg
LINKS:
⢠More Kronos Mods
⢠More Springs

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
These Nerf Rival Kronos Springs are custom-sourced and tested to be a perfect upgrade mod for your blaster. Depending on the spring you select, you'll need fairly strong hands to prime this spring. All springs have been custom-built and tested to fit the Rival Kronos blaster with squared ends on at least one side for easier installation.
FEATURES:
⢠Compatible with Nerf Rival Kronos
ā¢Ā Medium difficulty in installation
⢠Multiple FPS options available
INCLUDES:
⢠1 Rival Kronos Spring
PERFORMANCE:
AverageĀ FPS
⢠135+ FPS with the OOD 2.1mm Spring
⢠120+ FPS with a hand-cut length of K25
⢠120-125 FPS with the OOD 1.8mm Spring
SPECS:
⢠Material: USA-made spring-tempered steel
⢠Type: Compression
135+ FPS "Strong-Prime"
⢠Dimensions:
Ā Ā Spring Gauge: 2.1mm
Ā Ā Length: 90mm
Ā Ā Outer Diameter: 20mm
Ā Ā Coils: 9
⢠Squared: Both Ends
120+ FPS "Easy-Prime"
Dimensions:
Ā Ā Ā Spring Gauge: 2.0mm
Ā Ā Ā Length: 105mm
Ā Ā Ā Outer Diameter: 24.6mm
Ā Ā Ā Coils: 10
⢠Squared: One end
120-125 FPS
Dimensions:
Ā Ā Ā Spring Gauge: 1.8mm
Ā Ā Ā Length: 120mm
Ā Ā Ā Outer Diameter: 20mm
Ā Ā Ā Coils: 11
⢠Squared: Both ends
⢠Formerly rated as: 14kg
LINKS:
⢠More Kronos Mods
⢠More Springs

















