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XS Sights
The XS Sight Systems Lever Rail for Henry .357 is a mil-spec Picatinny mounting platform engineered for Henry Big Boy round-barrel carbines chambered in .357 Magnum. If you're running XS Ghost Ring Sights on your lever gun or planning to mount optics where the factory receiver leaves you short on real estate, this rail bridges that gap and unlocks genuine versatility in your sighting options.
Built from aircraft-grade aluminum and hard-anodized for rust and wear resistance, the lever rail mounts directly to your steel receiver and gives you a full-length 1913 rail for attaching conventional rifle scopes, low-power variable optics (LVPO), scout scopes, or red-dot sights. That flexibility matters: whether you're hunting at distance, working a 200-yard timber stand, or running a close-range setup, one rail handles all three. The lever-gun platform becomes genuinely adaptable without welding, bedding, or gunsmithing.
A few critical fitment notes: this rail is caliber-specific and designed only for .357 Magnum Henry Big Boy carbines with round barrels and steel receivers—it will not fit the X-model Big Boy. Henry's receiver dimensions and barrel contours vary enough between calibers and platforms that mixing them up wastes money and creates mounting problems. XS manufactures these rails in Fort Worth, so you're getting a purpose-built lever-gun accessory, not a generic universal bar that sort-of works.
Pair this with XS Ghost Ring Sights, and you've got a lever-gun sighting system that actually competes with modern rifles for versatility. Solo, it's a clean way to add magnification or a dot to a carbine that respects the lever-gun aesthetic and ergonomics.
| Caliber Compatibility | .357 Magnum |
| Rifle Model | Henry Big Boy round-barrel carbine (steel receiver) |
| Does Not Fit | Henry Big Boy X model .357 Magnum |
| Rail Standard | Mil-spec 1913 Picatinny |
| Material | Aircraft-grade aluminum alloy |
| Finish | Hard anodized |
| Receiver Requirement | Steel frame only; round barrel |
| Manufacturer | XS Sight Systems, Fort Worth, TX |
Yes, if your rifle is a Henry Big Boy .357 Magnum with a round barrel and steel receiver. This rail is caliber and platform-specific and will not fit the Henry Big Boy X model in .357 Magnum or other Henry calibers. Confirm your rifle's exact model before ordering.
The lever rail features a full-length mil-spec 1913 Picatinny slot, so you can mount conventional rifle scopes, low-power variable optics (LVPO), scout scopes, or red-dot sights using standard Picatinny rings and bases.
Yes. The lever rail is designed to work with XS Ghost Ring Sights and allows you to combine both systems for a fully versatile sighting platform. The ghost ring sights are sold separately.
We recommend consulting XS Sight Systems' installation documentation or a qualified gunsmith for proper mounting on your specific Henry rifle, as installation requirements may vary based on your rifle's exact configuration.
XS Sights
The XS Sight Systems Lever Rail for Henry .357 is a mil-spec Picatinny mounting platform engineered for Henry Big Boy round-barrel carbines chambered in .357 Magnum. If you're running XS Ghost Ring Sights on your lever gun or planning to mount optics where the factory receiver leaves you short on real estate, this rail bridges that gap and unlocks genuine versatility in your sighting options.
Built from aircraft-grade aluminum and hard-anodized for rust and wear resistance, the lever rail mounts directly to your steel receiver and gives you a full-length 1913 rail for attaching conventional rifle scopes, low-power variable optics (LVPO), scout scopes, or red-dot sights. That flexibility matters: whether you're hunting at distance, working a 200-yard timber stand, or running a close-range setup, one rail handles all three. The lever-gun platform becomes genuinely adaptable without welding, bedding, or gunsmithing.
A few critical fitment notes: this rail is caliber-specific and designed only for .357 Magnum Henry Big Boy carbines with round barrels and steel receivers—it will not fit the X-model Big Boy. Henry's receiver dimensions and barrel contours vary enough between calibers and platforms that mixing them up wastes money and creates mounting problems. XS manufactures these rails in Fort Worth, so you're getting a purpose-built lever-gun accessory, not a generic universal bar that sort-of works.
Pair this with XS Ghost Ring Sights, and you've got a lever-gun sighting system that actually competes with modern rifles for versatility. Solo, it's a clean way to add magnification or a dot to a carbine that respects the lever-gun aesthetic and ergonomics.
| Caliber Compatibility | .357 Magnum |
| Rifle Model | Henry Big Boy round-barrel carbine (steel receiver) |
| Does Not Fit | Henry Big Boy X model .357 Magnum |
| Rail Standard | Mil-spec 1913 Picatinny |
| Material | Aircraft-grade aluminum alloy |
| Finish | Hard anodized |
| Receiver Requirement | Steel frame only; round barrel |
| Manufacturer | XS Sight Systems, Fort Worth, TX |
Yes, if your rifle is a Henry Big Boy .357 Magnum with a round barrel and steel receiver. This rail is caliber and platform-specific and will not fit the Henry Big Boy X model in .357 Magnum or other Henry calibers. Confirm your rifle's exact model before ordering.
The lever rail features a full-length mil-spec 1913 Picatinny slot, so you can mount conventional rifle scopes, low-power variable optics (LVPO), scout scopes, or red-dot sights using standard Picatinny rings and bases.
Yes. The lever rail is designed to work with XS Ghost Ring Sights and allows you to combine both systems for a fully versatile sighting platform. The ghost ring sights are sold separately.
We recommend consulting XS Sight Systems' installation documentation or a qualified gunsmith for proper mounting on your specific Henry rifle, as installation requirements may vary based on your rifle's exact configuration.
