Description
The AB3 earned its reputation by delivering real Browning accuracy and build quality without the sticker shock of an X-Bolt, and the Pro Composite version adds the upgrades hunters kept asking for. This one comes chambered in 300 Win Mag with a 26 inch spiral fluted sporter contour barrel in matte blued steel, and that full length tube matters with a magnum cartridge. It gives the powder charge room to burn completely, so you get the velocity and flat trajectory you paid for when a bull elk is standing at 400 yards. The barrel is free floated and the action is bedded, which is the kind of accuracy work you usually find on rifles costing quite a bit more.
What Makes the Pro Composite Different
The spiral fluting on both the barrel and bolt body trims weight and looks sharp doing it, and the polished bolt against the matte blued receiver gives this rifle a look that stands out in the rack. The muzzle comes threaded 5/8×24 with a protector included, so adding a suppressor or brake is a five minute job. Browning also swapped in a two-piece bolt handle with a teardrop knob that gives your hand real purchase when you are cycling fast with cold fingers or gloves on. The short 60 degree bolt lift clears scope turrets easily and keeps follow-up shots quick.
Built for Hard Hunts in the AB3 Tradition
The gray/green composite stock shrugs off rain, snow, and truck bed abuse, and the Inflex recoil pad does noticeable work taming the push of a 300 Win Mag. The top tang safety sits right under your thumb with a bolt unlock button that lets you open the action safely for loading or unloading. Feeding comes from a detachable box magazine holding three rounds plus one in the chamber, and the receiver arrives drilled and tapped so you can mount glass and head straight to the range. For hunters who want genuine magnum reach in a rifle that carries well and holds zero season after season, this one checks every box.
Key Specifications
- Manufacturer: Browning
- Manufacturer Part Number: 035851229
- UPC: 023614868156
- Model: AB3 Pro Composite
- Action: Bolt Action
- Caliber: .300 Winchester Magnum
- Barrel Length: 26 in, spiral fluted sporter contour
- Muzzle Threads: 5/8×24 (thread protector included)
- Capacity: 3 + 1, detachable box magazine
- Barrel/Receiver Finish: Matte blued
- Stock: Gray/green weather-resistant composite
- Safety: Top-tang with bolt unlock button
- Bolt: Spiral fluted body, 60 degree lift, teardrop knob
- Recoil Pad: Inflex recoil pad
- Optics: Receiver drilled and tapped for scope bases
What’s Included
- Browning AB3 Pro Composite rifle
- One 3-round detachable box magazine
- Muzzle thread protector
- Owner's manual
Frequently Asked Questions
Is the Browning AB3 Pro Composite suppressor ready?
Yes. The muzzle is threaded 5/8×24, which is the standard pitch for most .30 caliber suppressors and muzzle brakes, and Browning ships it with a thread protector installed. Just spin off the protector, torque on your can, and you are set. Keep in mind a suppressor adds length, so the 26 inch barrel makes for a long package with one attached.
How does the AB3 Pro Composite differ from the standard AB3 Composite Stalker?
The Pro version adds spiral fluting on both the barrel and bolt body, a threaded muzzle, and a two-piece bolt handle with a teardrop knob for better grip. It also wears a gray/green composite stock instead of plain black. The core action, free floated barrel, and detachable magazine system carry over from the standard model.
Does this rifle come with a scope or sights?
No, there are no iron sights or optics included. The receiver comes drilled and tapped for scope bases, so mounting glass is straightforward. Most owners pair a magnum cartridge like this with a quality 3-15x or 4-16x hunting scope to take advantage of the 26 inch barrel's reach.
How bad is the recoil on the AB3 in 300 Win Mag?
The 300 Win Mag is a stout cartridge, but this rifle handles it better than most. The longer 26 inch barrel adds weight up front that soaks up some of the push, and Browning's Inflex recoil pad directs the comb away from your cheek on recoil. It is manageable from field positions, though a brake or suppressor on the threaded muzzle tames it further if you are recoil sensitive.




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