Henry Big Boy Mare’s Leg SG Pistol 357Mag 12.9″ 5+1

Henry Big Boy Mare’s Leg Side Gate Pistol – .357 Mag/.38 Spl, 12.9″ Barrel, 5+1

Legendary Firepower. Compact Western Style. Side Gate Reloading.

The Henry Big Boy Mare’s Leg SG Pistol brings Old West charm to modern performance. Chambered in .357 Magnum/.38 Special, this lever-action pistol features a 12.9″ octagon barrel, 5+1 capacity, and the convenience of side gate loading—a first for Henry’s iconic Mare’s Leg lineup.

Finished with a brass receiver, walnut pistol grip, and large loop lever, this American-made classic is both a collector’s dream and a range-ready showpiece.

Specifications:

• Caliber: .357 Magnum / .38 Special
• Barrel Length: 12.9″ octagonal
• Capacity: 5+1
• Action: Lever
• Frame: Polished hardened brass
• Stock/Grip: American walnut, Mare’s Leg-style pistol grip
• Receiver Finish: Brass
• Barrel Finish: Blued steel
• Sights: Semi-buckhorn rear, brass bead front
• Safety: Transfer bar
• Loading: Side gate + removable tube magazine
• Overall Length: 25
• Weight: Approx. 5.79 lbs

Key Features:

• Dual-caliber capable – shoot .357 Mag and .38 Special
• Side Gate + Tube Loading – fast top-offs or easy unloading
• Large loop lever – smooth cycling with gloved hands
• Solid brass receiver – visually stunning and durable
• Western-style pistol grip – compact and collectible
• Made in the USA – craftsmanship and performance you can trust