Gamo Spare Mainspring | Large

GAMO SPARE PARTS | MAINSPRING | LARGE

GAMO Original Replacement Mainspring – 24 Joule / High Power

The GAMO Mainspring 31990 is an original replacement power spring designed for selected high-power GAMO spring-powered air rifles. It is ideal for replacing a worn, weakened, or damaged mainspring and restoring the correct spring tension and operating performance of compatible GAMO air rifles.

Product Specifications

• Brand: GAMO
• Part Number: 31990
• Type: Mainspring / Power Spring
• Power: High Power / 24 Joule
• Length: Approximately 296 mm
• Wire Diameter: Approximately 3.75 mm
• Inner Diameter: Approximately 14 mm
• Outer Diameter: Approximately 20 mm
• Coils: Approximately 33.5
• Material: Steel
• Origin: Spain

Compatible GAMO Airguns

The GAMO 31990 mainspring is listed as compatible with:

• GAMO 1100 USA – models from approximately 2014 onwards
• GAMO Black 10 Maxxim – models from approximately 2018 onwards
• GAMO Black Bull – models from approximately 2014 onwards
• GAMO Black Cat 1400 – models from approximately 2018 onwards
• GAMO Black Fusion – models from approximately 2014 onwards
• GAMO Black Knight – models from approximately 2014 onwards
• GAMO Black Maxxim – models from approximately 2016 onwards
• GAMO Bull Whisper Extreme – models from approximately 2014 onwards
• GAMO Shawn Michaels – models from approximately 2014 onwards
• GAMO Socom 1100 – models from approximately 2014 onwards
• GAMO Varmint Hunter HP – models from approximately 2011 onwards
• GAMO Whisper Fusion Black Knight – models from approximately 2014 onwards
• GAMO Whisper Fusion Pro – models from approximately 2014 onwards

These compatibility listings are corroborated by multiple GAMO spare-parts retailers.

Important Compatibility Information

Compatibility can vary depending on the model, production year, power version, and internal configuration of the air rifle. Please verify the existing mainspring, airgun model, and GAMO part number 31990 before ordering.

This is a replacement internal component. Professional installation by a qualified airgun technician is recommended.