Description
There's a reason the BAR has been in deer camps for generations. The MK4 Hunter Composite is the latest evolution of Browning's legendary autoloader, chambered here in .308 Win with a 22 inch fluted barrel wearing a non-reflective matte blued finish. The gas-piston action soaks up a noticeable amount of recoil compared to a bolt gun of similar weight, and the seven-lug rotating bolt locks directly into the barrel for a tight, consistent breech-to-chamber fit that shows up on paper. A 4 round detachable box magazine feeds it, and the whole rifle comes in right around 7 pounds 2 ounces thanks to the lightweight alloy receiver.
Why the Composite Stock Earns Its Keep
The synthetic stock on this MK4 is more than a weather upgrade. It's shim-adjustable for cast and drop at the comb, so you can tune the fit to your build instead of adapting your cheek weld to the rifle. The raised SoftFlex cheekpad lines your eye up naturally behind a scope, rubber overmolded grip panels keep things secure when your gloves are wet, and the Inflex recoil pad takes the sting out of the .308 even further. Rain, snow, or a scraped-up ride in the truck bed, this stock shrugs it off.
Setting Up the BAR MK4 Hunter for the Field
The receiver ships drilled and tapped with no iron sights, so plan on mounting the optic of your choice. QD sling cups come standard, which makes adding a sling quick and clean. With a 14 3/8 inch length of pull and a 1:12 twist barrel that handles the classic 150 to 168 grain .308 hunting loads well, this rifle is ready for whitetails, hogs, and black bear the day you pick it up. If you hunt where a fast second shot matters, drives, thick timber, or a buck that doesn't stop walking, the BAR MK4 makes a strong case for leaving the bolt gun home.
Key Specifications
- Manufacturer: Browning
- Model: BAR MK4 Hunter Composite
- MPN: 039007218
- UPC: 023614861874
- Caliber: .308 Win / 7.62 NATO
- Action: Semi-Auto, Gas Piston
- Barrel Length: 22 in, Fluted
- Barrel Finish: Matte Blued, Non-Reflective
- Capacity: 4 + 1
- Twist Rate: 1:12
- Stock: Composite, Shim-Adjustable with SoftFlex Cheekpad
- Receiver: Lightweight Alloy, Drilled & Tapped
- Length of Pull: 14 3/8 in
- Weight: 7 lbs 2 oz
- Sights: None, Optics Ready
- Recoil Pad: Inflex
What’s Included
- Browning BAR MK4 Hunter Composite rifle
- One 4-round detachable box magazine
- Stock shim kit
- Owner's manual
Frequently Asked Questions
Does the Browning BAR MK4 Hunter Composite come with sights?
No, this rifle ships without iron sights. The alloy receiver comes drilled and tapped from the factory, so you can mount scope bases and the optic of your choice. Most hunters pair it with a 3-9x or similar variable scope for big game work.
How does the gas-piston action affect recoil in .308?
The gas system spreads the recoil impulse out over a longer period than a bolt action, so felt recoil is noticeably softer than a bolt gun of the same weight. Combined with the Inflex recoil pad, the .308 version is comfortable enough for extended range sessions. It also helps you stay on target for quicker follow-up shots.
Can I adjust the fit of the BAR MK4 Hunter Composite stock?
Yes, the composite stock is shim-adjustable for both cast on/off and drop at the comb, letting you fine-tune how the rifle mounts to your shoulder and face. The raised SoftFlex cheekpad also puts your eye at the right height for a scoped setup. It's a level of fit adjustment you don't often find on a semi-auto hunting rifle.
What game is the BAR MK4 in .308 Win suited for?
The .308 Win is one of the most versatile big game cartridges out there, well suited for whitetail, mule deer, hogs, black bear, and even elk at reasonable distances with the right bullet. The 1:12 twist barrel stabilizes the popular 150 to 168 grain hunting loads well. Add in the fast semi-auto follow-up capability and it's a strong all-around choice for North American hunting.





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