Description

Remington Core-Lokt .300 Win Mag 180gr PSP — 340 Rounds

The Remington Core-Lokt 300 Win Mag is one of the most widely used big game loads in .300 Winchester Magnum history.

A 180-grain Pointed Soft Point at 2,960 fps, with an 85-year track record on deer, elk, moose, and bear across every hunting continent.

At $1.47 per round for 340 rounds, the Remington Core-Lokt 300 Win Mag is the most cost-effective hunting load in this .300 Win Mag range.

What Core-Lokt Is and Why It Persists

Core-Lokt entered production in 1939. It is still one of the best-selling hunting loads in North America. That durability has a specific mechanical reason.

Standard jacketed soft point bullets of the early 20th century suffered from core-jacket separation. On impact at high velocity, the lead core would exit the copper jacket, fragmenting the bullet and limiting penetration.

Remington’s solution was the Core-Lokt: the copper jacket is tapered, and at a specific point it is locked to the lead core mechanically.

That locking point prevents separation, keeps the Remington Core-Lokt 300 Win Mag bullet together as it mushrooms to approximately twice its diameter, and maintains mass for continued penetration.

That mechanical principle in the Remington Core-Lokt 300 Win Mag is the same in 2026 as it was in 1939. The manufacturing has improved; the design has not needed to change.

Pointed Soft Point (PSP) — What the Bullet Type Means

Core-Lokt is available in two nose profiles: soft point (SP) with an exposed blunt lead tip, and pointed soft point (PSP) with a more streamlined exposed lead tip. This product is the PSP.

The PSP’s pointed profile gives a slightly higher BC than the blunt SP.

G1 BC 0.383 is modest by modern standards — the Hornady American Whitetail InterLock at 150 grains achieves 0.552.

But the Remington Core-Lokt 300 Win Mag at 180 grains carries more sectional density and muzzle energy for elk-sized game at standard hunting distances.

Full Ballistic Data

• Muzzle velocity: 2,960 fps
• Muzzle energy: 3,501 ft-lbs
• G1 ballistic coefficient: 0.383
• Application: Large game — elk, moose, bear, deer

Where It Fits in the .300 Win Mag Range

Three .300 Win Mag loads are now in this category:

• Barnes VOR-TX 180gr TTSX BT — lead-free, solid copper, $2.86/round, California-compliant
• Hornady American Whitetail 150gr InterLock SP — lighter bullet, higher BC, 3,275 fps, $1.39/round
• Remington Core-Lokt 180gr PSP — heaviest bullet, most muzzle energy, proven 85-year track record, $1.47/round

Choose this one for elk and large game where the 180-grain sectional density and 3,501 ft-lbs of energy matter more than flat trajectory.

Browse the .300 Win Mag ammunition category. Technical specifications are published by SAAMI and by Remington directly. Safe storage guidance is available from the NSSF.

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SHORT DESCRIPTION (above Add to Cart)

Remington Core-Lokt .300 Win Mag. 180-grain Pointed Soft Point (PSP) with tapered copper jacket mechanically locked to lead core. 2,960 fps, 3,501 ft-lbs muzzle energy, G1 BC 0.383. Proven elk and large game load since 1939. Brass case, reloadable. 340 rounds (17 × 20-round boxes). Not lead-free. Large game hunting load.

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💬 Before You Go — Core-Lokt on Elk?

Taken an elk or moose with Core-Lokt? Leave a review with the range and the result. Core-Lokt has a longer real-world data set than almost any other hunting load — one more field report helps the next hunter make their call. And if you came looking for a load we don’t carry, tell us. 🎯

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Please purchase and use ammunition responsibly and in accordance with all federal, state and local laws. Ammunition cannot be shipped to all jurisdictions — verify legal shipment to your address before ordering. Buyers must be of legal age in their jurisdiction. Not for sale to prohibited persons.

Frequently Asked Questions

What does “Core-Lokt” mean? The copper jacket is tapered and mechanically locked to the lead core at a specific point — preventing core-jacket separation on impact. The locking mechanism is what the name describes.

Is this a bonded bullet? Mechanically locked, not chemically bonded. The distinction matters for performance through heavy bone — a chemically bonded bullet like AccuBond or Fusion will hold together more aggressively under extreme stress. For typical deer and elk shots, the Core-Lokt mechanical lock is sufficient.

Why 180 grains in .300 Win Mag? 180 grains is the traditional elk-class weight for .300 Win Mag. It delivers more sectional density and muzzle energy than lighter loads, which matters for penetration on large-bodied game at any angle.

How does it compare to the Hornady American Whitetail 150gr also in this range? The American Whitetail at 150 grains has a higher G1 BC (0.552 vs 0.383) and higher velocity (3,275 fps vs 2,960 fps). The Core-Lokt at 180 grains has more muzzle energy (3,501 vs 3,572 ft-lbs — similar actually) and more sectional density — better for penetration through large-bodied game.

Is it lead-free? No — lead core. Not California-compliant for hunting.

Is the spec table saying 140 rounds correct? No. The spec table says 140; the title and slug say 340. The correct quantity is 340 rounds.

Can I reload the brass? Yes — standard brass, Boxer-primed.

What’s the per-round cost? $500 / 340 = $1.47 per round.