Starline 300 Blackout Brass


New, Unprimed, Small Rifle 300 Blackout Brass
SKU: 4220 Categories: , ,

Starline 300 Blackout Brass

Sold in increments of  250, 500, and 1000.

Starline 300 Blackout Brass starts with consistent metallurgy, precise tooling, tight quality control, and 30 plus years of experience.  100% of Starline 300 Blackout Brass guaranteed to have flash hole presence and to be of the correct length and diameter.  All of their premium brass is made of 70 percent copper and 30 percent zinc.  Unlike some competitors, Starline’s brass is vertically drawn, effectively minimizing wall thickness variation.  Also, Starline anneals each case between draw.  Because of this, their brass has consistent metallurgy in all lots.

When it comes to selecting the best in 300 Blackout brass, choose Starline for your reloading needs. If you’re needing projectiles, don’t forget to view our selection of 30 Cal rifle bullets.  Since most rifle shooters look for a great low cost bullet, check out our selection of bulk bullets.  Also, we carry a large selection of once fired brass.


Technical Information

Caliber:  300 Blackout
Manufacturer:  Starline
Primer:  Small Rifle, Unprimed
OAL:  1.356″ – 1.360″
MSRP: 250ct – $70; 500ct – $130.00; 1000ct – $240.00

*  This is NOT loaded or primed ammunition *

Weight 1 oz
Dimensions N/A



300 Blackout



Component Type


Brass Type

New Brass

Primer Size

Small Rifle

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