The Browning BAR MK4 Hunter is a gas-operated semi-automatic rifle chambered in .243 Winchester with a 22-inch matte blued steel barrel and a 4+1 detachable box magazine. It has a drilled-and-tapped aluminum alloy receiver built for mounting optics, paired with a synthetic stock finished in Mossy Oak Bottomland camouflage. The stock uses an adjustable shim system with an Inflex 2 recoil pad. 
 

Key Specifications 

• Brand: Browning 
• Model: BAR MK4 Hunter 
• Caliber: .243 Win 
• Action: Semi Auto 
• Capacity: 4+1 
• Barrel Length: 22 in 
• Weight: 7.06 lbs 
• Finish: Matte Blued 
• Receiver Material: Aluminum Alloy 
   

Detailed Features 

• Gas-operated rotating bolt action with a 1:12-inch twist barrel 
• Aluminum alloy receiver machined for optic mounting hardware, with no factory sights included 
• Mossy Oak Bottomland synthetic stock with adjustable shims and an Inflex 2 recoil pad 
• Overall length of 44.13 inches with a 14.38-inch length of pull 
• Detachable box magazine feeding .243 Win

The BAR platform has a long track record, and MK4 Hunter owners generally describe the gas system as reliable once the rifle is broken in and kept clean, since a semi-auto hunting rifle collects more carbon than a bolt gun over a season. Some owners mention the aluminum alloy receiver keeps the overall package lighter than older BAR generations, which they notice most when carrying it for a full day.

Ergonomics get consistent praise, particularly the Inflex recoil pad and the adjustable shim system, which let shooters dial in stock fit rather than living with a one-size design. The Mossy Oak Bottomland finish is a common pick for hunters who want the rifle to blend into cover rather than stand out.

On value, the BAR MK4 Hunter costs more than a comparable bolt-action rifle in .243 Win, and most owners view that premium as the price of a proven semi-auto action rather than a knock on the rifle. Browning's dealer network makes parts and service easier to find than with smaller semi-auto rifle brands.