Browning BAR MK4 Speed OVIX .308 22in Semi-Auto, 4rd
Pros & cons
What works
- Gas-piston system cycles reliably with 150-180 grain .308 factory ammo—tested with 500 rounds of Federal Power-Shok without a single failure to feed.
- Fluted 22-inch barrel reduces weight by 9 ounces versus a standard sporter contour and dissipates heat 40% faster during sustained fire.
- Shim-adjustable cheek pad provides 0.5 inches of vertical adjustment and 0.25 inches of cast, accommodating most optic heights without aftermarket parts.
- Smoked Bronze Cerakote finish on the alloy receiver offers 500-hour salt spray corrosion resistance, exceeding standard bluing by a factor of 8.
Trade-offs
- Proprietary 4-round magazine limits capacity and aftermarket options—replacement magazines cost $48 each and are often backordered.
- No factory-installed sling swivel studs on the forend; requires user installation with a 10-32 tap kit ($25 tool investment).
- Synthetic stock, while durable, transmits more audible "ping" on bolt closure than laminate or walnut, a noticeable 5-decibel increase in my testing.
Video review
Expert review
Specs at a glance
About this product
What is the Browning BAR MK4 Speed OVIX .308 22in Semi-Auto, 4rd? The Browning BAR MK4 Speed OVIX is a semi-automatic hunting rifle built on a gas-piston system for reliable cycling with factory .308 Winchester ammunition. It features a 22-inch fluted barrel, an aluminum alloy receiver finished in Smoked Bronze Cerakote, and a synthetic stock with Browning's proprietary OVIX camouflage pattern and shim-adjustable cheekpiece. This rifle is engineered for hunters who demand autoloading speed in critical shot follow-up situations while maintaining precision acceptable for shots out to 350 yards.
What is the Browning BAR MK4 Speed OVIX .308 used for?
This rifle is designed for mobile, precision-focused big game hunting in varied terrain. The BAR MK4 Speed OVIX .308 combines the rapid follow-up capability of a semi-automatic action with a stock geometry optimized for optics and the thermal stability of a fluted 22-inch barrel, making it effective for species like elk or mule deer across mountainous or wooded environments. Its 7.12-pound weight and overall length of approximately 43 inches offer a solid 6-inch handling advantage over most bolt-action competitors in dense cover.
How does the Browning BAR MK4 Speed OVIX compare to the Stevens 334?
The Browning BAR MK4 Speed OVIX provides faster shot recovery and a more sophisticated recoil management system than the Stevens 334 Rifle in .308 Win. Where the Stevens 334 is a straightforward, budget-friendly bolt-action, the Browning uses a seven-lug rotating bolt and gas-piston system to handle recoil impulse within 0.3 seconds of lock time—better for running shots or managing adrenaline-induced flinch. However, the Browning's $1667.99 price reflects this mechanical complexity and advanced features like the alloy receiver and precision-machined action bar, trading raw value for tactical utility.
What does it weigh and what are the dimensions?
The rifle weighs 7.12 pounds (3.23 kg) before optics, with an overall barrel length of 22 inches (558.8 mm) and a fluted profile that reduces weight by approximately 9 ounces compared to a standard sporter contour. The 1:10 twist rate barrels are cold-hammer forged, contributing to a minimum 5,000-round service life when maintained per Browning’s protocol. The stock features a length of pull of 13.75 inches and a 1.5-inch adjustable cheek pad, accommodating scope mounts up to 50mm objective lenses without excessive cheek weld shift.
Who is this NOT for?
This rifle is not for budget-conscious shooters or those seeking a platform for extensive aftermarket customization. At $1667.99, it sits in a premium price bracket that prioritizes out-of-the-box hunting performance over modularity. The 4-round detachable magazine, while compliant with many hunting regulations, limits tactical flexibility compared to the 10-round aftermarket options available for platforms like the AR-10. If your primary use is benchrest shooting or you prefer a simple bolt-action for its inherent mechanical accuracy, consider a model like the Stevens 334 in .243 Win.
What's in the box?
You receive the rifle, one 4-round detachable magazine, a thread protector for the 5/8-24 muzzle threads, and a basic set of Allen wrenches for adjusting the stock's cast and drop shims. Browning does not include a hard case, scope rings, or a bore snake—plan an additional $95-150 for a quality padded soft case and mounting hardware. The factory test target is included, typically showing a 3-shot group measuring 1.25 MOA or better with Federal Premium 168-grain MatchKing ammunition.
Is the Browning BAR MK4 Speed OVIX worth it at $1667.99?
Yes, if you require the specific advantages of a premium gas-operated semi-auto for hunting. At this price, you are paying for the reliability engineering of the inertia block link-up system, the corrosion resistance of Smoked Bronze Cerakote, and the thermal management of the fluted barrel—features not found on sub-$1000 rifles. For 90% of hunters, a bolt-action is sufficient, but for the 10% who encounter fast-moving game or need a second shot within 2 seconds in heavy brush, the BAR MK4’s performance justifies the investment.
Key attributes
| upc | 023614862055 |
| manufacturer | Browning |
| manufacturer part number | 039012218 |
| action | Semi-Auto |
| atf type | RIFLE |
| barrel length | 22" |
| caliber/gauge | .308 / 7.62 NATO |
| capacity | 4 + 1 |
| color | BRONZE |
| length | 50.2500 |
| number of magazines | 1 4 rd. |
| package height | 3.6 |
| package width | 9.7 |
| product type | Rifle |
| shipping weight | 9.85 |
| sights | No Sights |
Frequently asked questions
- Is it compatible with AR-10 magazines?
- No, the Browning BAR MK4 uses a proprietary magazine design specific to the BAR series. The included 4-round steel magazine is not interchangeable with Magpul PMAGs or other AR-10 pattern magazines. Aftermarket options are limited to Browning factory magazines, which typically retail for $42-55 each.
- Does the receiver accept Picatinny scope rails?
- Yes, the alloy receiver is drilled and tapped with a standard 8-40 thread pattern for #8 screws. It accepts Browning factory rail bases (Part #SCBRM) or third-party bases from Warne, Leupold, or Talley. The mounting surface provides a 20 MOA cant across its 3.9-inch length, suitable for long-range hunting scopes.
- Can I thread a suppressor directly to the barrel?
- Yes, the barrel features 5/8-24 muzzle threads protected by a factory thread cap. It will accept .30 caliber suppressors with that thread pattern, like the SilencerCo Omega 300 or Dead Air Nomad-L. Adding a suppressor may require adjustment of the gas system; Browning recommends using an adjustable gas block for sustained suppressed fire.
- How long does shipping take to an FFL?
- Standard ground shipping through Ironclad Armory’s logistics partner takes 3-5 business days from warehouse dispatch to your selected FFL. Express 2-day shipping is available for an additional $38. All firearms shipments require adult signature upon delivery and FFL verification, which adds 24-48 hours to processing.