These Starline 300 Blackout Brass Factory are precision-manufactured component bullets for handloaders, designed and finely tuned for consistent, devastating terminal performance. Genuine, in-stock and ready to ship, the Starline 300 Blackout Brass Factory is built to perform and to last.
Specifications
| Caliber | 300 Blackout |
| Category | Component Projectiles |
| Build | Precision-manufactured to tight tolerances |
Built for handloaders
Component projectiles are only as good as their consistency, and these are precision-manufactured for uniform weight, dimensions and terminal behavior. That uniformity is the foundation of accuracy when you load them yourself.
Pair them with quality brass and a proven load recipe, and work up your charge safely following published data.
Why it matters for your build
Details matter on a precision rifle, and the Starline 300 Blackout Brass Factory is engineered with that in mind. Consistent manufacturing translates directly into reliability and accuracy downrange — exactly what you want from a core component you are building around.
If you are unsure whether the Starline 300 Blackout Brass Factory fits your specific platform or goals, our team can help you choose the right part for the job.
Complete your build
A great rifle is the sum of its parts. Pair the Starline 300 Blackout Brass Factory with quality ammunition and the right supporting components for a setup that shoots its best. Explore matching gear in 300 Blackout, and read our 300 Blackout subsonic vs supersonic guide for help dialing in your caliber.
Why buy from Blackout Ammunition
We carry genuine, in-stock component projectiless and ship fast to lawful destinations nationwide. Browse 300 Blackout, review our shipping & delivery details, and check the FAQ before you order, or visit blackoutammo.shop for more gear and ammunition to finish your build.
About the 300 Blackout cartridge
300 Blackout is one of the most versatile cartridges for the AR-15, delivering .30-caliber performance from a short, suppressor-friendly barrel using standard magazines. It runs equally well as a quiet subsonic load or a hard-hitting supersonic round simply by changing ammunition.
That flexibility is the cartridge’s signature strength, and it is exactly why so many shooters build around it. This Starline 300 Blackout Brass Factory fits naturally into a 300 Blackout setup for hunting, defense or suppressed shooting.
Buy with confidence
Every Starline 300 Blackout Brass Factory we ship is genuine and inspected, backed by a team that knows the platform. If you have questions about fit, compatibility or getting the most from it, reach out before you order.
Quality components are the foundation of a rifle that shoots well and lasts, and this is built to that standard.
Fast shipping and ordering
We ship most in-stock orders quickly and securely to lawful destinations across the United States, with tracking so you know where your order is. Ordering the Starline 300 Blackout Brass Factory is straightforward, and our team is available if you need help before or after your purchase.
Review our shipping and delivery details for timelines and any state or item-specific requirements before you order.
Genuine products, real support
When you buy the Starline 300 Blackout Brass Factory from Blackout Ammunition, you get a genuine product handled by people who actually know the platform — not a faceless warehouse. We stand behind what we sell and are here to help you build and shoot with confidence.
Have a question first? Our FAQ covers the common ones, and you can always reach out for personal guidance.
Explore related products and guides
Looking for more? Browse our 300 Blackout collection for matching ammunition, suppressors and components, and read our 300 Blackout subsonic vs supersonic guide to dial in your setup. Whatever you are building, you will find genuine, in-stock gear and the knowledge to use it well.
Questions about the Starline 300 Blackout Brass Factory or your build? Reach out and our team will help you choose with confidence.
Frequently asked questions
What is the Starline 300 Blackout Brass Factory?
It is a precision component projectiles built to high tolerances for accuracy and reliability in your build.
Is it in stock?
Yes — genuine and ready to ship. Confirm current availability on the product page.
Will it fit my build?
Confirm compatibility with your specific platform and caliber before installation. Our team can help if you are unsure.
Do you ship fast?
Yes — most in-stock orders ship quickly to lawful destinations.
This product is intended for lawful use only. Firearms, barrels and certain components may be regulated; you are responsible for complying with all federal, state and local laws.
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