GrovTec Hammer Extension for Henry Single Shot, Henry Big Boy Centerfire Rifles, Black - GTHM-283

GrovTec Hammer Extension for Henry Single Shot, Henry Big Boy Centerfire Rifles, Black – GTHM-283

The GrovTec Hammer Extension (GTHM-283) is a purpose-fit upgrade for Henry Single Shot and Henry Big Boy Centerfire rifles manufactured after 2010. Designed to give shooters a larger, easier-to-reach hammer surface, this extension improves cocking speed and control — particularly useful when wearing gloves or working quickly in the field.

Installation is straightforward, though minor fitting may be required due to natural variation in hammer dimensions. A simple, affordable upgrade that delivers a noticeable improvement in handling on compatible Henry firearms.

• Fits Henry Single Shot and Henry Big Boy Centerfire rifles (post-2010 models)
• Dimensions: 0.306" x 0.109"
• Improves hammer reach and control, especially with gloves
• Minor fitting may be required due to hammer dimension variation
• Note: Not recommended for use on models not listed above