Description
There is something about a blued steel lever gun in .45 Colt that just feels right, and the Henry Big Boy Steel Side Gate delivers that feeling without the extra heft of a brass frame. This version runs about a pound and a half lighter than its brass-framed cousin, which you notice quickly on a long walk through the timber. The 20-inch round blued barrel holds 10 rounds in the tube, plus one in the chamber, and the whole rifle balances out at a comfortable 7 pounds with a 37.5-inch overall length.
Why the Side Gate Setup Matters on This Big Boy
For years Henry stuck with the removable tube magazine alone, and plenty of folks asked for a loading gate. This rifle gives you both. Load through the side gate to top off between shots, or pull the inner tube to unload safely at the end of the day without cycling live rounds through the action. It sounds like a small thing until you use it, then you wonder why every lever gun is not built this way. The large loop lever is a nice bonus too, giving gloved hands plenty of room in cold weather and adding a little classic western character.
Sights, Stock, and Real-World Handling
The fully adjustable semi-buckhorn rear sight with diamond insert and brass bead front sight are quick to pick up and easy to dial in at the range. If you want glass or a red dot, the receiver comes drilled and tapped, so mounting an optic is simple. The American walnut furniture wears deep, crisp checkering on the fore-end and straight-wrist stock for a solid grip in wet or cold conditions, and swivel studs are already installed for a sling. A solid rubber recoil pad caps things off, though .45 Colt out of a 7-pound rifle is pleasant to shoot all afternoon.
Pairing the Big Boy Steel with Your .45 Colt Revolver
This rifle makes a natural companion to a .45 Colt sixgun, letting you carry one type of ammo for both. From plinking and cowboy action matches to brush hunting at woods ranges, the smooth Henry action and the accuracy the brand is known for make this one an easy rifle to reach for again and again.
Key Specifications
- Manufacturer: Henry Repeating Arms
- Model: Big Boy Steel Side Gate
- MPN: H012GCL
- UPC: 619835200327
- Caliber: .45 Colt
- Action: Lever Action
- Capacity: 10+1 Rounds
- Barrel Length: 20" Round Blued Steel
- Twist Rate: 1:16"
- Overall Length: 37.5"
- Weight: 7 lbs
- Stock: Checkered American Walnut
- Sights: Adjustable Semi-Buckhorn Rear, Brass Bead Front
- Receiver: Blued Steel, Drilled and Tapped
- Safety: Transfer Bar
- Lever: Large Loop
What’s Included
- Henry Big Boy Steel Side Gate rifle
- Owner's manual
Frequently Asked Questions
Can I load the Big Boy Steel Side Gate through the gate and the tube?
Yes, and that is one of the biggest selling points of this rifle. You can feed rounds through the side loading gate to top off the magazine, or remove the inner magazine tube to load and unload without running cartridges through the action. It is a genuinely handy combination that most lever guns do not offer.
Is the Henry Big Boy Steel Side Gate drilled and tapped for a scope?
It is. The blued steel receiver comes drilled and tapped from the factory, so you can add a rail or scope mount for a red dot or magnified optic. The adjustable semi-buckhorn rear and brass bead front sights work great on their own if you prefer to keep it traditional.
Will this rifle shoot .45 ACP or .454 Casull?
No, this rifle is chambered specifically for .45 Colt, sometimes called .45 Long Colt. It is not set up for .45 ACP, .454 Casull, or any other cartridge. Stick with quality .45 Colt ammunition and it will run smooth and shoot straight.
How does the steel Big Boy compare to the brass-framed version?
The steel model carries the same overall configuration but weighs roughly a pound and a half less than the brass version, making it easier to tote on longer hunts. The blued finish is also more subdued in the field than polished brass. If you want a working lever gun rather than a showpiece, the steel version is the practical pick.





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