Henry Big Boy X .357 Magnum / .38 Special
The Henry Big Boy X is a modern lever action built for shooters who want the versatility of a pistol-caliber carbine combined with today's most practical features. Chambered in .357 Magnum / .38 Special, it features a 17.4-inch threaded barrel, rugged synthetic furniture, integrated M-LOK® and Picatinny mounting options, and Henry's smooth side-loading action.
Whether you're hunting, suppressor shooting, competing, or building the ultimate modern lever gun, the Big Boy X provides an outstanding foundation for customization and performance.
Features
- Chambered in .357 Magnum / .38 Special
- Blued steel construction
- Black synthetic stock
- 17.4" threaded barrel (5/8×24)
- Fiber optic sights
- Side loading gate with removable magazine tube
- M-LOK® and Picatinny accessory mounting
- Drilled and tapped receiver
- Transfer Bar safety
- Made in the USA
Specifications
- Manufacturer: Henry Repeating Arms
- Model: Big Boy Steel X-Model
- Model Number: H012MX
- UPC: 619835200259
- Caliber: .357 Magnum / .38 Special
- Action: Lever Action
- Capacity: 7+1
- Barrel Length: 17.4"
- Overall Length: 36.3"
- Barrel Twist: 1:16"
- Weight: 7.3 lbs.
- Finish: Blued Steel
- Receiver: Blued Steel
- Stock: Black Synthetic
- Thread Pattern: 5/8×24
- Sights: Fiber Optic Front and Rear
- Safety: Transfer Bar Safety
Built for Modern Shooters
The Big Boy X combines Henry's traditional craftsmanship with modern enhancements that maximize versatility and performance.
Factory features include:
- Threaded barrel for suppressors or muzzle devices
- Durable all-weather synthetic furniture
- Side loading gate with removable magazine tube
- Integrated M-LOK® and Picatinny accessory mounting
- Bright fiber optic sights
- Drilled and tapped receiver for optics
The result is a fast-handling lever gun equally suited for hunting, range work, and modern sporting applications.
Two Calibers. Endless Possibilities.
The ability to chamber both .357 Magnum and .38 Special makes the Big Boy X one of the most versatile lever actions available.
- .357 Magnum delivers excellent velocity and energy from a rifle-length barrel, making it ideal for deer hunting, property defense, and field use.
- .38 Special offers soft recoil, lower cost, and enjoyable shooting for extended range sessions or new shooters.
Whether you're chasing steel, hunting whitetails, or introducing someone to lever guns, the Big Boy X is ready.
Perfect Foundation for OSA Lever Works
The Henry Big Boy X is an outstanding platform for the OSA Tactical Package or OSA Ranch Package, thanks to its modern factory features and excellent customization potential.
Popular upgrades include:
- Custom Cerakote finishes
- Professional trigger tuning
- Action smoothing
- Midwest Industries handguard and stock system
- Red dot, prism optic, or LPVO installation and zeroing
- Weapon light integration
- Premium sling setup
- Custom laser engraving
Every rifle is individually assembled, inspected, and customized by Ocean State Armory to deliver exceptional craftsmanship, reliability, and performance.
Our Thoughts
The Henry Big Boy X .357 Magnum is one of the most versatile modern lever guns on the market. Its threaded barrel, synthetic furniture, accessory-ready design, and ability to fire both .357 Magnum and .38 Special make it an outstanding choice for hunting, recreational shooting, suppressor use, and custom builds.
If you're looking for a modern lever action that combines Henry reliability with today's accessories and shooting techniques, the Big Boy X is an exceptional option.
