GrovTec Hammer Extension for Marlin Model 336

The GrovTec Hammer Extension for Marlin Model 336 rifles provides easier hammer manipulation when wearing gloves or shooting with optics that sit close to the receiver. This extension increases the surface area and length of the factory hammer spur, making thumb-cocking more positive and reducing the chance of slipping off a smooth, stock hammer. Particularly useful for hunters in cold weather conditions or when running low-mounted scopes on lever-action rifles.

Machined from blued steel to match factory Marlin finish. Drop-in installation requires no permanent modification to the firearm—the extension slips over the existing hammer spur and secures with a set screw. Basic tools and careful fitting recommended for proper alignment and function. Test hammer operation thoroughly before live fire.

• Part Type: Hammer Extension
• Compatible Firearms: Marlin Model 336
• Material: Steel
• Finish: Blued
• Installation: Drop-In (set screw attachment)
• Includes: Hammer extension, set screw, installation hardware