300 Win Mag for Sale

Looking to buy 300 Win Mag? Discover new and used listings from verified sellers across the U.S. Only on GunsAmerica.

Quick Look

The .300 Winchester Magnum was introduced by Winchester in 1963 as a powerful big-game cartridge. Designed for long-range accuracy and high energy, it offers excellent performance in hunting and tactical roles. The .300 Win Mag remains a popular choice among hunters and precision shooters worldwide.

Why It's a Top Choice

Superior long-range accuracy and energy delivery
Versatile for hunting medium to large game
Wide availability of factory and handload ammunition
Robust market support and extensive firearm compatibility
Proven performance in both civilian and military use

Key Variants

.300 Win Mag Short Magnum — Offers a compact case design for lighter rifles with magnum performance.

.300 Win Mag AccuTip — Optimized for enhanced ballistic trajectory and terminal performance.

.300 Win Mag BT SP — Features boat-tail soft-point bullets for controlled expansion.

Competitor Comparison Table

Feature	.300 Winchester Magnum	.30-06 Springfield	7mm Remington Magnum
MSRP (ammo)	Approx. $2.00/round	Approx. $1.50/round	Approx. $2.50/round
Typical Capacity	3-5 rounds (magazine dependent)	4-6 rounds	3-5 rounds
Weight (ammo)	Approx. 180 grains	Approx. 150 grains	Approx. 150 grains
Optics-Ready Rifles	Widely available	Widely available	Widely available
Typical Bullet Type	Spitzer boat-tail	Spitzer flat base	Spitzer boat-tail
Notable Pro	High velocity and energy	Proven versatility	Excellent long-range ballistics

Best Use Cases

Big-game hunting (deer, elk, bear)
Long-range precision shooting
Backcountry and mountain hunting
Range practice for magnum calibers
Firearm collection and enthusiasts

FAQs

Can I use .300 Winchester Magnum for self-defense?

While powerful, the .300 Win Mag is overpenetrative for typical self-defense scenarios. It's best suited for hunting and precision shooting.

What is the effective range of .300 Winchester Magnum?

It is effective beyond 1000 yards with proper optics; hunters commonly engage targets at 300-800 yards.

How does .300 Win Mag compare to .30-06 Springfield?

.300 Win Mag offers higher velocity and energy with flatter trajectory but typically more recoil than .30-06.

Recently Viewed

27 years

In business since 1997

3,000,000+

GunsAmerica Users

12,000+

Articles to help you learn

Sign up for our newsletter

We care about the protection of your data. Read our Privacy Policy .

Frequently asked questions

What types of firearms does GunsAmerica offer online?

Whether you're looking for a semi-auto handgun, bolt-action rifle, AK-47, or AR15, shotgun, Revolver, 1911, or antique firearm, GunsAmerica has you covered. Our extensive classified listings include top models from leading brands, ensuring you find the best firearm online.

Are there any restrictions to buying legal firearms from GunsAmerica?

When buying legal firearms from GunsAmerica, you are subject to state, federal, and local laws. Certain firearm types, such as Class 3/NFA firearms, may require additional documentation and clearance. Before purchasing, comply with all local, state, and federal requirements.

What are some of the best firearm companies available at GunsAmerica?

At GunsAmerica, we take pride in offering a wide range of top-notch firearms from the best companies, including Glock, Sig Sauer, Smith & Wesson, Beretta, Colt, Heckler & Koch (H&K), Ruger, Springfield Armory, Browning, FN (Fabrique Nationale), CZ (CZ-USA), Daniel Defense, Kimber, Walther, Tikka, Weatherby, Barrett Firearms, Wilson Combat, Christensen Arms, Benelli, and many more.

Can I sell my firearm to GunsAmerica?

If you are looking for the best place to sell firearms, GunsAmerica is your top choice. GunsAmerica is a marketplace where collectors, dealers, and private individuals can list and sell firearms. All you have to do is create an account and list your firearm. After the sale, the buyer is responsible for sending the firearm to their preferred FFL dealer so that the transfer can be legally completed safely and lawfully. GunsAmerica does not buy guns or sell guns directly, as we are a marketplace.

How does GunsAmerica handle firearm shipping and transfers?

All firearms bought on GunsAmerica must be sent to an authorized FFL dealer, and each seller on GunsAmerica will provide shipping information to the buyer to ensure a smooth, successful transaction. However, non-firearm items such as holsters, magazines, optics, and ammo in most cases (some state and local laws may prohibit), can be sent straight to your door. Before purchasing a firearm, communicate with an FFL in your area to advise you on shipping and transferring your firearm.

Who We Are

About

From the latest advancements in firearm technology to trusted essentials, GunsAmerica offers a comprehensive selection of gun accessories designed to enhance performance, reliability, and safety. Whether you need precision optics, durable stocks, high-capacity magazines, suppressors, or muzzle devices, our marketplace provides everything required to maintain, upgrade, and customize your firearms. We feature products from leading manufacturers, ensuring superior quality and compatibility across all firearm platforms. Our extensive inventory is built to support every shooter’s needs, from tactical applications and competitive shooting to hunting and everyday carry. At GunsAmerica, we are committed to delivering a seamless, secure shopping experience with competitive pricing, making it easier than ever to find the right accessories to optimize your firearms for any mission or environment.

Choose the Best Firearms Online

Comprehensive Firearm Online Store

Firearm Parts and Accessories

Used Firearms

Unmatched Performance and Reliability