The Henry Big Boy Side Gate is a .357 Magnum lever-action rifle with a 16.5-inch octagonal barrel, 7+1 capacity, and a 7.41 lb weight at 34.1 inches overall. The color case-hardened steel receiver, American walnut stock, and direct-mount optic availability give it a traditional look with practical features. 
 

Key Specifications 

• Caliber: .357 MAG 
• Action Type: Lever Action 
• Capacity: 7 Rounds (+1) 
• Barrel Length: 16.5 inches 
• Overall Length: 34.1 inches 
• Weight: 7.41 lbs. 
• Sights: Adjustable Semi-Buckhorn Rear / Brass Bead Front 
• Optic Mount: Direct Mount Available 
• Barrel Type: Octagon Profile 
• Finish: Color Case Hardened Steel 
• Stock Material: American Walnut 
   

Detailed Features 

1. The octagonal barrel adds rigidity and gives the rifle a profile tied directly to classic American lever-action design. 
    
2. The smooth lever action cycles quickly for follow-up shots without sacrificing control. 
    
3. Adjustable semi-buckhorn rear sights with brass bead front give workable precision at hunting and range distances. 
    
4. The transfer bar safety blocks discharge without a deliberate trigger pull, which suits shooters at all experience levels. 
    
5. The American walnut stock looks good and gives a consistent grip and cheekweld. 
    

Target Audience 

Hunters who need maneuverability in dense cover will appreciate the 34.1-inch overall length. Target shooters find it accurate and enjoyable at the range. Collectors value the color case-hardened receiver and walnut combination as visually appealing and consistent with historical American rifle character. 
 

Usage Scenarios 

• Deer hunting in woods where a longer rifle is cumbersome. 
• Target shooting where the .357 Magnum caliber and lever action are used for skill development. 
• Home defense where the caliber and action provide capable stopping power with quick follow-up capability.

The Henry Big Boy .357 Magnum Octagon Lever Rifle draws strong positive reactions, particularly for its appearance and shooting feel.

The octagonal barrel and walnut stock combination is the most discussed visual feature. Most users describe it as genuinely attractive, and collectors in particular value the traditional character it gives the rifle. Henry's build quality is consistently praised: the lever action is smooth, fit between the stock and metal is good, and the overall construction reflects a level of care that stands out in the lever-action segment.

Shooting the rifle gets good marks. The .357 Magnum caliber is versatile for both target work and hunting, and recoil is manageable. The lever mechanism is frequently described as enjoyable to operate, which is not always something said about a practical tool.

The criticisms are limited. Weight gets occasional mention, with some users finding 7.41 lbs on the heavier side for extended field carry. Pricing relative to other lever-action options at similar calibers comes up in comparisons, though most owners consider it fair given the craftsmanship. Availability in some markets can run limited, which shows up in a few discussions.

Overall the rifle gets recommended consistently, both to shooters building a collection and to practical users who want a capable .357 Magnum lever-action.