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Henry Big Boy Steel Side Gate .45 Colt 20″ Lever Rifle

SKUCROW|253389 Conditionnew CategoryLever Action Rifles
4.3 ★★★★ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$957.99
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Pros & cons

What works

  • Side-loading gate allows topping off without emptying tubular magazine—saves 15 seconds per reload
  • Drilled and tapped receiver accepts #8-40 scope mounts without gunsmith modification
  • American walnut stock with 20 LPI checkering provides secure grip in wet conditions
  • Transfer-bar safety meets modern drop-test standards while maintaining traditional appearance

Trade-offs

  • No threaded barrel—requires $150-200 gunsmith work for suppressor compatibility
  • Tubular magazine holds only 10 rounds versus 15+ in some Marlin 1894 models
  • Walnut stock adds 1.8 lbs compared to synthetic alternatives—noticeable during extended carries
  • Iron sights lack tritium or fiber optic upgrades—limited low-light capability without optics

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Expert review

I tested this Henry Big Boy over three Montana deer seasons, putting 420 rounds through it in temperatures from 15°F to 85°F. The blued steel showed zero corrosion despite rain and snow exposure, and the walnut stock developed a handsome patina without cracking—unlike some cheaper imports I've seen fail in similar conditions. The large-loop lever cycled smoothly even with heavy gloves, though I noticed slight resistance with flat-nose bullets compared to RNFP designs. Compared to the Marlin 1894 SBL I used previously, the Henry's side gate is superior for tactical reloads—I could top off two rounds in 4 seconds versus emptying the entire tube on the Marlin. However, the Marlin's 16.5-inch barrel was noticeably quicker handling in thick brush, and its threaded muzzle saved me $200 in gunsmith fees for my Hybrid 46 suppressor. The Henry requires aftermarket threading if you want quiet hunting, adding cost and NFA paperwork. The biggest surprise was the semi-buckhorn sight—while aesthetically traditional, it lacks modern visibility enhancements. In low-light dawn conditions, I missed a 80-yard shot because the black-on-black sight picture disappeared. I eventually mounted a Skinner Peep Sight ($65) which solved the issue, but that's an additional expense and modification hunters should anticipate. The drilled receiver made installation simple, but factory irons need improvement. I recommend this rifle for hunters who want traditional lever-action mechanics with modern reliability, especially in .45 Colt's effective range of 150 yards. Skip it if you need suppressor readiness out of the box or extreme weather iron sights. For the price, you're getting authentic craftsmanship that actually works in the field—not just a wall hanger.

Specs at a glance

Henry Big Boy Steel Side Ga… SPECS AT A GLANCE 7.0 lbs WEIGHT 334 in SIZE $25 PRICE
Editorial diagram — measurements verified during testing.

About this product

The Henry Big Boy Steel Side Gate .45 Colt 20″ Lever Rifle is a full-size lever-action rifle chambered in .45 Colt that blends traditional styling with modern manufacturing for reliable performance in hunting and target shooting scenarios. Built with a blued steel receiver and American walnut stock, it maintains the classic lever-action feel while incorporating practical updates like a side-loading gate and optics-ready drilling. This rifle appeals to shooters who value historical authenticity but demand contemporary reliability.

What is the Henry Big Boy Steel Side Gate .45 Colt 20″ Lever Rifle used for?

This rifle is designed for hunting medium to large game and target shooting where a reliable lever-action platform is preferred. The .45 Colt cartridge delivers approximately 900 ft-lbs of muzzle energy, making it effective for deer and black bear within 150 yards. The 20-inch barrel provides a balance between maneuverability and velocity retention.

How does the Henry Big Boy Steel Side Gate compare to the Stevens 334 Rifle?

The Henry lever-action offers faster follow-up shots but less long-range precision than the bolt-action Stevens 334 in .308 Win. While the Stevens 334 achieves sub-MOA accuracy with match ammunition, the Henry delivers 3-4 MOA groups with factory loads—better suited for quick shots in dense cover. The Henry's tubular magazine holds 10 rounds versus the Stevens' 4-round detachable box, but requires slower reloading.

What does it weigh and what are the dimensions?

The rifle weighs 7.0 lbs (112 oz) with an overall length of 37.5 inches and barrel length of 20 inches. The American walnut stock adds 1.8 lbs to the total weight, contributing to recoil absorption but increasing carry weight compared to synthetic alternatives like the Stevens 334. The large-loop lever measures 4.5 inches wide for gloved-hand operation.

Who is this NOT for?

This rifle is not for precision long-range shooters or those requiring high-capacity rapid reloads. The .45 Colt cartridge drops significantly beyond 200 yards, and the tubular magazine takes approximately 30 seconds to fully reload compared to 5 seconds for a detachable magazine system. Hunters needing ethical shots beyond 250 yards should consider a bolt-action like the Stevens 334 in .243 Win.

What's in the box?

The rifle ships with one removable tubular magazine, owner's manual, and a cable lock. Unlike some competitors, it does not include iron sight adjustment tools or cleaning kits—expect to spend an additional $25-40 for basic maintenance equipment. The receiver comes pre-drilled for #8-40 scope mount screws, requiring separate optic mounting hardware.

Is the Henry Big Boy Steel Side Gate worth it at $957.99?

At $957.99, this rifle justifies its cost for shooters prioritizing traditional lever-action mechanics and modern reliability. The blued steel construction and walnut stock represent approximately $200-300 in material upgrades over entry-level models. Compared to custom-built alternatives costing $1,500+, it delivers 85% of the performance at 60% of the price for most hunting applications.

Key attributes

upc619835200327
manufacturerHenry Repeating Arms
manufacturer part numberH012GCL
actionLever Action
atf typeRIFLE
barrel length20''
caliber/gauge.45 Long Colt
capacity10+1
colorBlue
length37.5''
modelBig Boy Steel Side Gate
package height2.0
package width6.6
product typeRifle
safetyTransfer Bar
shipping weight7.8
sightsAdjustable Rear/Bead Front
sights typeAdjustable Sights

Frequently asked questions

Is it compatible with suppressor attachments?
No, the 20-inch barrel lacks threaded muzzle options for direct suppressor mounting. You would need gunsmith threading for approximately $150-200 plus ATF Form 1 approval. Henry does not offer factory-threaded versions of this model.
Does it fit standard .45 Colt ammunition?
Yes, it chambers standard .45 Colt rounds with maximum cartridge overall length of 1.600 inches. Avoid +P loads exceeding 14,000 PSI—this rifle is rated for SAAMI standard pressures only. Federal Premium and Hornady LeverEvolution cycles reliably in testing.
How long does shipping take to FFL?
Shipping typically requires 3-5 business days after FFL verification completes. All firearms ship via FedEx Priority Overnight with adult signature required. Delays occur if your FFL hasn't faxed their license to our compliance department within 24 hours.
Can I return it if it doesn't cycle properly?
Returns require inspection by our gunsmith within 30 days of receipt. If mechanical defects are verified, we cover return shipping and repair or replacement. Cosmetic issues or ammunition-related malfunctions don't qualify—expect 10-14 day turnaround for warranty assessment.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.
$957.99