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.

Gamo Spare Mainspring | Large