Remington Core-Lokt Copper ammunition in 300 Blackout (brand part no. R27857) is built for hunters who need a proven big-game cartridge they can count on. Remington builds this load from consistent, quality-checked components for dependable performance shot after shot. At the heart of this load is the 120 gr bullet, matched to the 300 Blackout platform shooters already run. In our rifle ammunition lineup, this is the Remington load built for that job.

Key Specifications

• The chambering is 300 Blackout, a proven big-game cartridge with decades of field results behind it.
• The bullet weighs 120 gr, sized for the terminal performance this load is built around.
• The case is Brass, reloadable for handloaders who want to reuse brass.
• Each box holds 20 rounds, enough to confirm zero and still have rounds left to shoot.
• Cases ship 10 boxes to a case, a convenient bulk quantity for high-volume shooters.
• Cost works out to about $1.89 per round, keeping practice sessions affordable.
• The box ships at approximately 0.75 lbs, handy for planning shipping costs on a bulk order.
• This is a centerfire cartridge, ignited by a replaceable primer rather than a rimfire priming ring.
• Core-Lokt Copper carries the same trusted Core-Lokt name into a lead-free, monolithic copper bullet, holding the dependable expansion and weight retention hunters expect.
• The rigid, high-strength copper construction is built specifically for the velocities an MSR-length barrel produces.

Frequently Asked Questions

How many rounds come in a box? Each box holds 20 rounds of 300 Blackout.

Is the brass reloadable? The case is brass, which handloaders can typically resize and reload for repeat use.

Can I order this by the case? Yes, this load ships 10 boxes to a case for shooters who want to order in bulk.

Buy the Remington Core-Lokt Copper 300 Blackout 120 gr, 20-Round Box

Stock up before the next range trip or hunt, and let the ammunition be the one thing you don’t have to think about. Order from our Lubbock, Texas gun shop and it ships fast to your door.