Description

Buy Starline 300 AAC Blackout Brass

Starline 300 AAC Blackout brass is in stock now at Primers Reloading, giving AR-15 shooters a dependable, American-made case for both supersonic and subsonic loads. Starline builds this brass for the popular .300 Blackout cartridge, so you can fine-tune your reloads without worrying about whether your cases are consistent.

What is 300 AAC Blackout brass?

The Starline 300 AAC Blackout Brass, often called .300 BLK, is a cartridge designed to give AR-15 owners a heavy .30 caliber bullet that works well at subsonic speeds, especially in suppressed rifles. On an AR-15 rifle or pistol, you only need to change the barrel to go from 5.56 to .300 Blackout. Many bolt action and single shot rifles are made for it too.

Brass is the empty metal case that holds the primer, powder, and bullet. After you shoot it, you can clean it, resize it, and reload it again and again. Good brass helps every round you build perform the same way.

What is Starline brass?

Starline is an American brass maker based in Sedalia, Missouri, with more than 40 years of experience. It’s known for durable, consistent, and affordable cartridge cases, and its 300 AAC Blackout brass is made specifically for shooters loading this cartridge.

This brass comes unprimed, which means it has no primer installed, so you’ll add your own during reloading. This is brass only. It is not loaded ammunition.

Why reloaders choose Starline 300 AAC Blackout Brass

• Made for supersonic and subsonic loads – Great whether you’re building suppressed subsonic ammo or faster supersonic loads.
• Consistent cases – Built with tight quality control so you can focus on load development instead of brass problems.
• Designed for multiple reloads – Durable construction supports many reload cycles, which helps lower your cost per round.
• Saves work – One reloader who used to make .300 Blackout cases from military brass says buying quality Starline cases is far less work.
• Trusted by long-time reloaders – Reviewers with 30 or more years of reloading experience say they order Starline every time they can.
• Made in the USA – Built by an American company known for quality brass.

Tips before you load

Always inspect and size your brass before loading, and follow a trusted reloading manual for your exact load. Starline brass comes in loose-packed bags, so it’s a good idea to check case necks for small dings from packaging and run new cases through a sizing die before use.

Available quantities

• 100-count bags – Great for trying it out or working up a load.
• 500-count boxes – Better value for regular reloaders who shoot a lot.

Why buy Starline 300 AAC Blackout Brass from Primers Reloading

• Trusted American brand – Starline is a favorite among reloaders.
• In stock and ready to ship – No long waits or backorders.
• Easier shipping – Brass is not a hazardous material, so it usually ships faster than primers or powder.

Frequently Asked Questions

Is Starline 300 AAC Blackout brass new or used?
It’s new, unprimed brass. It has never been loaded or fired.

Does the Starline 300 AAC Blackout Brass come with primers?
No. It’s unprimed, so you’ll add your own primers when you reload.

Can I use this brass for both subsonic and supersonic loads?
Yes. Starline made this brass for shooters who want to experiment with both types of loads.

How many times can I reload Starline brass?
It’s built for multiple reloads, but the exact number depends on your loads, your rifle, and how well you care for the brass. Inspect each case before every reload.

Where is Starline brass made?
Starline makes its brass in the USA, in Sedalia, Missouri.

Is brass hazardous to ship?
No. Brass is not a hazardous material, so it ships more easily than primers or powder.