Browning A-Bolt III (AB3) 300 Win Mag 4-Round Magazine - Steel/Polymer, Black

The Browning A-Bolt III 300 Win Mag 4-round magazine is a factory-original steel and polymer magazine built to feed your AB3 rifle reliably. Whether you're running a bolt gun for long-range hunting, target work, or backcountry pursuits, a quality OEM magazine is essential to consistent performance. This is the real deal—made by Browning for their A-Bolt III platform, so fit and function are guaranteed.

Built with a combination of steel and polymer construction, this magazine is designed to handle the power of 300 Winchester Magnum ammunition without sacrificing durability. The 4-round capacity balances mag-fed convenience with the traditional feel many A-Bolt shooters prefer. Black finish keeps things understated and practical in the field.

If you own an A-Bolt III in 300 Win Mag, having a spare or replacement magazine on hand is smart practice. Factory magazines are the safest bet for reliability and zero compatibility headaches—no guessing, no fitting, no surprises when you're counting on your rifle to perform.

Key Features

• Factory-original Browning A-Bolt III magazine for 300 Winchester Magnum
• 4-round capacity
• Steel and polymer construction for durability and weight balance
• Black finish
• Guaranteed fit and function with A-Bolt III rifles

Specifications

Frequently Asked Questions

Will this magazine work with my A-Bolt III rifle?

Yes—this is a factory Browning magazine designed specifically for the A-Bolt III platform in 300 Winchester Magnum. It will fit and function reliably in any AB3 chambered for 300 Win Mag.

What's the capacity of this magazine?

This magazine holds 4 rounds of 300 Winchester Magnum ammunition.

What materials is it made from?

The magazine is constructed from a combination of steel and polymer, offering a balance of strength, durability, and lightweight handling.