Henry Big Boy X Model

Henry Repeating Arms · Rifle · In Production · 2020

Also known as: Henry H012MX, Big Boy Side Gate X Model

Overview

The Henry Big Boy X Model is an American lever-action rifle chambered in .357 Magnum (which also fires .38 Special), manufactured by Henry Repeating Arms. A modernized take on Henry's classic Big Boy, the X Model swaps traditional brass and walnut for black synthetic furniture with M-Lok slots and a Picatinny rail, adds a 5/8x24 threaded muzzle for suppressors and muzzle devices, and combines a removable tubular magazine with a side loading gate so the seven-round tube can be topped off without removal. It features fiber optic sights, a large loop lever, a transfer-bar safety, and a receiver drilled and tapped for optics.

Specifications

Weight (empty)	3311 g (116.8 oz)
Overall Length	922 mm (36.30")
Barrel Length	442 mm (17.40")
Action Type	Lever Action
Firing Mechanism	Hammer Fired
Trigger Type	Single Action
Magazine Capacity	7 rounds
Magazine Type	Tubular
Muzzle Velocity	580 m/s (1903 fps)
Muzzle Energy	1362 J (1005 ft·lbf)
Effective Range	150 m (164 yd)
Barrel Rifling	Right Hand
Rifling Twist	406 mm (15.98")
Frame Material	Steel
Barrel Material	Steel
Stock Material	Synthetic
Finish	Blued

Calibers

.357 Magnum · primary — also known as .357 Mag, .357 S&W Magnum, 9x33mmR

Features

Firing modes: Repeating
Feed systems: Tubular Magazine
Safety mechanisms: Transfer Bar
Features: Side Loading Gate, Removable Tube Magazine, Threaded Muzzle, Fiber Optic Sights, M Lok Slots, Picatinny Rail, Large Loop Lever, Drilled And Tapped, Sling Swivel Studs, Rubber Recoil Pad

Variants

Henry Big Boy X Model .44 Magnum - Caliber
Henry Big Boy X Model .45 Colt - Caliber

Production

Production years: 2020-present

Part of Henry's X Model line introduced around 2020; offered in .357 Magnum, .44 Magnum and .45 Colt centerfire chamberings

Origin

Country of origin: United States

Designer: Henry Repeating Arms

Notes

Chambered for .357 Magnum but also accepts .38 Special. The 5/8x24 threaded barrel and dual side-gate/removable-tube loading are the defining features of the X series versus the standard Big Boy.

Background

Henry Repeating Arms revived the storied Henry name in the 1990s and built its reputation on traditional brass-framed lever guns; the X Model line was launched to bring the lever action into the tactical and suppressor era with synthetic furniture, accessory rails and a threaded barrel.