
GrovTec US Inc Hammer Extension for Henry Big Boy & Single Shot Rifles, Black Steel GTHM283
Product Description
The GrovTec US Inc Hammer Extension adds a horizontal extension to your firearm’s hammer, creating a larger contact surface for improved grip, control, and easier cocking. It is especially helpful on scoped firearms where hammer clearance can be limited. Designed for specific Henry models, this black steel hammer extension can be mounted on either the right or left side and includes installation hardware for a secure fit.
Product Highlights
- Horizontal hammer extension increases contact surface for better grip and control
- Ideal for scoped rifle setups where hammer access/clearance can be an issue
- Ambidextrous mounting—installs on the right or left side
- Steel construction with a black finish for durability
- Model-specific fitment for Henry Single Shot and Henry Big Boy Centerfire Rifles (post-2010)
Specs
- Brand: Grovtec US Inc
- Product Type: Hammer Extension
- Material: Steel
- Color/Finish: Black
- Mounting: Right-side or left-side compatible
- Compatibility: Henry Single Shot; Henry Big Boy Centerfire Rifles (post-2010 models)
- Included Hardware: Set screws and hex key (per product image)
- Weight: 0.05 lb (approx.)
- Manufacturer Part Number: GTHM283
- UPC: 811071012836
Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.
Original: $18.98
-65%$18.98
$6.64Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Product Description
The GrovTec US Inc Hammer Extension adds a horizontal extension to your firearm’s hammer, creating a larger contact surface for improved grip, control, and easier cocking. It is especially helpful on scoped firearms where hammer clearance can be limited. Designed for specific Henry models, this black steel hammer extension can be mounted on either the right or left side and includes installation hardware for a secure fit.
Product Highlights
- Horizontal hammer extension increases contact surface for better grip and control
- Ideal for scoped rifle setups where hammer access/clearance can be an issue
- Ambidextrous mounting—installs on the right or left side
- Steel construction with a black finish for durability
- Model-specific fitment for Henry Single Shot and Henry Big Boy Centerfire Rifles (post-2010)
Specs
- Brand: Grovtec US Inc
- Product Type: Hammer Extension
- Material: Steel
- Color/Finish: Black
- Mounting: Right-side or left-side compatible
- Compatibility: Henry Single Shot; Henry Big Boy Centerfire Rifles (post-2010 models)
- Included Hardware: Set screws and hex key (per product image)
- Weight: 0.05 lb (approx.)
- Manufacturer Part Number: GTHM283
- UPC: 811071012836
Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.






















