Cheapest 300 BLK Brass in Stock

Top 15 ranked by unit price. Updated April 2026.

1
300 Blackout Brass
The Brass King300 BLKOnce-Fired
$0.01/ea
The Brass King
$13.00 / 1000
2
Starline 300 Blackout Brass
Starline300 BLK
$0.06/ea
Arm or Ally
$60.00 / 1000
3
NEW .300 BLACKOUT STARLINE 200+
Starline300 BLKOnce-Fired
$0.07/ea
Diamond K Brass
$68.00 / 1000
4
Processed 300 AAC Blackout Brass
Arm or Ally300 BLK
$0.07/ea
Arm or Ally
$70.00 / 1000
5
Primed 300 Blackout Brass
Arm or Ally300 BLK
$0.09/ea
Arm or Ally
$88.99 / 1000
6
Swiss P 300 Blackout Brass, New Primed Brass – Norma Headstamp, made by Swiss P
Norma300 BLK
$0.09/ea
Raven Rocks Precision
$89.00 / 1000
7
Nickel 300 Blackout Brass
Blue Ridge Brass300 BLKOnce-Fired
$0.10/ea
Blue Ridge Brass
$95.00 / 1000
8
Hornady Brass 300 Blackout Unprimed Bulk Bag of 100
Hornady300 BLK
$0.35/ea
Graf & Sons
$34.99 / 100
9
Starline Brass 300 Blackout Unprimed Bag of 100
Starline300 BLK
$0.35/ea
Graf & Sons
$34.99 / 100
10
Norma 300 Blackout Brass
Norma300 BLK
$0.40/ea
Raven Rocks Precision
$19.95 / 50
11
Hornady Brass 300 AAC Blackout Unprimed
Hornady300 BLK
$0.56/ea
Graf & Sons
$27.99 / 50
12
Nosler 300 AAC Blackout Bulk Unprepped Brass
Nosler300 BLK
$0.71/ea
Arm or Ally
$177.88 / 250
13
NORMA BRASS 300 BLACKOUT UNPRIMED 50/bx
Norma300 BLK
$0.74/ea
Graf & Sons
$36.99 / 50
14
Hornady 300 Blackout Brass –
Hornady300 BLK
$0.80/ea
Arm or Ally
$39.99 / 50
15
Nosler 300 AAC Blackout Premium Brass
Nosler300 BLK
$1.24/ea
Arm or Ally
$61.88 / 50