The Browning BAR MK4 Hunter Composite is a semi-automatic rifle chambered in 7mm Rem Mag, built around a gas piston action with a 24-inch matte blued steel barrel. The receiver is a lightweight aluminum alloy unit, drilled and tapped for optics, and it has no factory iron sights. The stock is a composite unit finished in Mossy Oak Bottomland camouflage with an adjustable shim system for cast and drop. 
 

Key Specifications 

• Brand: Browning 
• Model: BAR MK4 Hunter Composite 
• Caliber: 7mm Rem Mag 
• Action: Semi Auto 
• Capacity: 3+1 
• Barrel Length: 24" 
• Weight: 7.08 lbs 
• Barrel Finish: Matte Blued 
• Receiver Material: Aluminum Alloy 
   

Detailed Features 

• Gas piston operating system with a seven-lug rotating bolt that locks directly into the barrel 
• Detachable box magazine feeds the action at a 3+1 capacity 
• Receiver is drilled and tapped for scope mounting since no iron sights are fitted 
• Composite stock is shim-adjustable for cast and drop, with a SoftFlex cheekpad and Inflex 2 recoil pad 
• Mossy Oak Bottomland finish covers the stock and matches the barrel's matte blued coating for a low-glare look in the field

Owners of the BAR MK4 line generally describe the rifle as reliable once broken in, with the gas piston system cycling smoothly across a range of loads. A recurring comment is that the semi-auto action adds weight and bulk compared to a bolt gun in the same chambering, which some hunters accept as a tradeoff for faster follow-up shots.

Ergonomics get mixed but mostly positive feedback. The shim-adjustable stock and SoftFlex cheekpad let shooters dial in fit for scope use, and the Inflex recoil pad is frequently mentioned as effective at taming recoil in the magnum chambering. A few owners note the stock's camo finish shows wear on the high points after repeated field use.

On value, the BAR MK4 Hunter sits at a premium price point next to bolt-action alternatives, and buyers weigh that against the convenience of a semi-auto platform. Magazine and parts availability through Browning is generally seen as solid, though some owners wish aftermarket support matched what's available for bolt rifles.