This Starline Blackout Brass is brand new 8.6 Blackout case brass from a maker synonymous with reloading quality. The 8.6 Blackout is one of the most exciting new subsonic cartridges going, and starting with fresh, uniform Starline Blackout Brass is the smart way to build reliable, accurate loads. It comes bulk packaged so you can stock up and load in volume. If you run an 8.6 Blackout bolt gun or AR-10 style rifle, this brass is exactly what your reloading bench needs.
What the Starline Blackout Brass is and who it suits
The Starline Blackout Brass is new, unfired 8.6 Blackout case brass ready for you to prime, charge, and seat. It is a component, not loaded ammunition. The 8.6 Blackout was designed as a suppressed, subsonic round that fires a heavier .338 diameter projectile than the popular 300 Blackout, while remaining capable in supersonic applications as well.
This brass suits suppressor enthusiasts, hunters, and precision shooters chasing big bore subsonic performance. Because several companies now offer both bolt action and AR-10 style rifles in 8.6 Blackout, quality brass like this is the backbone of a dependable handload.
Key features of this 8.6 Blackout brass
- Brand new Starline 8.6 Blackout brass
- Designed for suppressed, subsonic .338 caliber loads
- Capable in supersonic applications as well
- Uniform wall thickness for consistent neck tension
- Bulk packaged so you can load in volume
- Available in 50 and 100 count quantities
Specifications and details
Each option delivers new 8.6 Blackout brass in bulk packaging. The cartridge uses a .338 diameter bullet, which is what allows it to launch heavy projectiles that stay stable and hit hard at subsonic speeds. That heavier bullet is the whole point of the design and is a big part of its appeal for suppressed hunting and target work.
Starline brass has a long standing reputation for uniform wall thickness, clean case mouths, and excellent case life. Starting with brass this consistent means your neck tension and pressures behave predictably from the first firing.
Reloading, care, and compatibility
Confirm case length before your first loading and use published 8.6 Blackout data, paying close attention to the differences between subsonic and supersonic recipes. Start below maximum and work up while watching for pressure signs, and store your brass dry between sessions. For heavy subsonic loads, pair this brass with matching .338 projectiles for the best results.
This brass runs with standard 8.6 Blackout dies and chambers in bolt action and AR-10 style rifles built for the cartridge. Learn more about the maker at Starline, then pair it with heavy .338 bullets from our apparel and gear collection.
The rise of big bore subsonic
The 8.6 Blackout is one of the most talked about cartridges in years, and for good reason. It was conceived to launch a heavy .338 caliber bullet quietly through a suppressor, delivering far more mass on target at subsonic speed than the popular 300 Blackout can manage. For hunters and enthusiasts who value a quiet shot, that is a compelling combination.
What makes the round especially interesting is its flexibility. It runs beautifully subsonic and suppressed, yet it can also be loaded to supersonic velocities for more conventional work. Several makers now chamber both bolt action and AR-10 style rifles for it, so the platform choices keep growing.
Starting with quality brass is the smart way into a new cartridge, and buying in 50 or 100 count quantities gives you room to experiment. Pair these cases with heavy .338 projectiles, keep your subsonic and supersonic data straight, and store the brass dry between sessions for consistent results.
Get in early on the big bore subsonic game with a batch of Starline Blackout Brass on your bench. Ships direct to your door, no FFL required.





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