GrovTec Hammer Extension For Marlin 36 And 336 Rifles – Black Oxide Finish, Steel (GTHM308)

• Hammer extension designed to improve access on early Marlin lever action rifles
• Fits Marlin Model 36 from 1936 to 1947 and Model 336 from 1948 to 1956
• Black oxide finish provides corrosion resistance and durable surface protection
• Enhances hammer control when optics are mounted on compatible rifles
• Constructed for secure attachment to factory hammer spurs on rifles
• Made in the USA using durable materials for consistent performance

The GrovTec Hammer Extension GTHM308 is a rifle hammer extension designed for improved thumb access on compatible Marlin lever action rifles.

The GrovTec Hammer Extension GTHM308 fits Marlin Model 36 (1936–1947) and Model 336 (1948–1956) rifles, providing an extended hammer surface for manual cocking. It features a black oxide finish and is manufactured in the United States, offering a steel component suitable for regular handling in range use or field carry. This hammer spur extension attaches to the existing hammer to increase accessibility, especially when optics are mounted. The GrovTec Hammer Extension GTHM308 is used for controlled hammer manipulation without modifying the firearm’s internal mechanism. In typical setups, the extension provides a consistent contact point while maintaining the original operation of the lever action system.