Description
There is a reason people stop and stare when a Big Boy Brass comes out of the case. That polished hardened brass receiver against a 20 inch blued octagon barrel and straight grip American walnut stock is about as classic as a lever gun gets. Henry backs up the looks with real substance too, because this is a genuinely useful rifle chambered in .357 Magnum that also happily digests .38 Special for cheap, soft-shooting range days.
Two Ways to Load the Big Boy Brass
This is the Side Gate version, which gives you the best of both worlds. You can feed rounds through the loading gate on the right side of the receiver without ever dropping the rifle off your shoulder, or use the traditional removable magazine tube when it is time to unload safely. The tube holds 10 rounds of .357, and out of a 20 inch barrel those pistol cartridges pick up a serious velocity bump over what you would see from a revolver. That makes this rifle a legitimate option for deer and hogs at woods ranges, not just a pretty face for the range.
Sights, Trigger, and Handling
Up top you get a fully adjustable semi-buckhorn rear sight with a reversible white diamond insert and a brass bead up front, a setup that is quick to pick up and easy on aging eyes. Prefer glass? The receiver comes drilled and tapped for a scope base. The action is slick right out of the box, the trigger breaks clean, and at 8.68 pounds with a 38.5 inch overall length the rifle settles in and stays steady when you squeeze one off. A transfer bar safety means no manual safety cluttering up the lines.
Why the Henry Big Boy Brass Earns Its Keep
Cowboy action matches, whitetail in thick timber, plinking with .38s on a lazy Saturday, or just owning a beautifully made American rifle, this one covers all of it. Henry builds these with American made components and the kind of fit and finish that makes them easy to pass down. It is a rifle you buy once and keep forever.
Key Specifications
- Model: Big Boy Brass Side Gate
- Manufacturer Part Number: H006GM
- UPC: 619835060655
- Caliber: .357 Magnum / .38 Special
- Action: Lever Action
- Capacity: 10 + 1
- Barrel Length: 20"
- Barrel Type: Octagon, Blued Steel
- Twist Rate: 1:16
- Overall Length: 38.5"
- Weight: 8.68 lbs
- Length of Pull: 14"
- Receiver: Polished Hardened Brass
- Stock: American Walnut, Straight Grip
- Sights: Brass Bead Front / Adjustable Semi-Buckhorn Rear
- Safety: Transfer Bar
What’s Included
- Henry Big Boy Brass Side Gate rifle (H006GM)
- Owner's manual
Frequently Asked Questions
Can the Henry Big Boy Brass shoot .38 Special as well as .357 Magnum?
Yes, it runs both. .38 Special is a great choice for low-recoil practice and plinking since it costs less and is very soft shooting out of a rifle this size. Just note that tube capacity can vary slightly with shorter .38 cases, and it never hurts to run a few different loads to see what feeds and groups best in your rifle.
How does loading work on the Big Boy Side Gate model?
You get two options. There is a loading gate on the right side of the receiver so you can top off the magazine without lowering the rifle, plus the traditional removable inner magazine tube that makes unloading quick and safe. Earlier Big Boy models were tube-load only, so the side gate is a welcome upgrade for a lot of folks.
Can I mount a scope on the Henry Big Boy Brass?
Yes. The receiver comes drilled and tapped from the factory, so all you need is a compatible scope base and rings. That said, the adjustable semi-buckhorn rear sight with its white diamond insert and the brass bead front are quick and easy to use, so plenty of owners never bother with glass.
Is the Big Boy in .357 Magnum enough gun for deer hunting?
At woods distances, absolutely. The 20 inch barrel adds a significant velocity boost over a revolver, and with a quality .357 hunting load it handles deer and hogs well inside about 100 yards. Loads like Hornady LEVERevolution are popular choices among Big Boy owners for exactly that reason.





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