.300 Blackout Ammo Prices

From $0.70/rd shipped · 169 listings confirmed in stock today · September 2026

Hornady BLACK, .300 AAC Blackout, V-MAX, 110 Grain, 20 Rounds

HORNADY

Hornady BLACK, .300 AAC Blackout, V-MAX, 110 Grain, 20 Rounds

Shipping: Under $10 Shipping
Grain Weight: 110
Round Count: 20
Bullet Type: V-MAX
$28
$1.65/rd
Currently Available
Federal AE300BLK1 American Eagle 300 AAC Blackout/Whisper (7.62X35mm) 150 GR Full Metal Jacket Boat Tail - 20rd Box

Federal

Federal AE300BLK1 American Eagle 300 AAC Blackout/Whisper (7.62X35mm) 150 GR Full Metal Jacket Boat Tail - 20rd Box

Shipping: Under $10 Shipping
Grain Weight: 150
Round Count: 20
Bullet Type: FMJBT
Use Case: Target
$25
$1.75/rd
Currently Available
Hornady 80877 Subsonic 300 AAC Blackout/Whisper (7.62x35mm) 190 GR Sub-X - 20rd Box

Hornady

Hornady 80877 Subsonic 300 AAC Blackout/Whisper (7.62x35mm) 190 GR Sub-X - 20rd Box

Shipping: Under $10 Shipping
Grain Weight: 190
Round Count: 20
Bullet Type: Sub-X
Use Case: Hunting
$29
$1.70/rd
Currently Available
Sig Sauer Defense Supersonic .300BLK 110GR Barnes Tac Tx 20RD Box

SIG SAUER

Sig Sauer Defense Supersonic .300BLK 110GR Barnes Tac Tx 20RD Box

Shipping: $20+ Shipping
Grain Weight: 110
Round Count: 20
Bullet Type: Barnes
Use Case: Defense
$47
$3.82/rd
Currently Available
Magtech 300BLKSUBA Tactical/Training 300 Blackout 200 gr Full Metal Jacket Subsonic - 50rd Box

MagTech

Magtech 300BLKSUBA Tactical/Training 300 Blackout 200 gr Full Metal Jacket Subsonic - 50rd Box

Shipping: Under $10 Shipping
Grain Weight: 200
Round Count: 50
Bullet Type: FMJ
Use Case: Training
$44
$1.08/rd
Currently Available
Fiocchi 300BLKHA Extrema 300 AAC Blackout/Whisper (7.62X35mm) 125 GR SST - 25rd Box

Fiocchi Ammunition

Fiocchi 300BLKHA Extrema 300 AAC Blackout/Whisper (7.62X35mm) 125 GR SST - 25rd Box

Shipping: Under $10 Shipping
Grain Weight: 125
Round Count: 25
Bullet Type: SST
Use Case: Hunting
$27
$1.28/rd
Currently Available
Federal 300BLKB Standard Power-Shok 300 Blackout 150 gr Soft Point (SP) - 20rd Box

Federal

Federal 300BLKB Standard Power-Shok 300 Blackout 150 gr Soft Point (SP) - 20rd Box

Shipping: Under $10 Shipping
Grain Weight: 150
Round Count: 20
Bullet Type: SP
Use Case: Hunting
$32
$2.10/rd
Currently Available
Winchester Ammo USA300BLK USA 300 Blackout 125 FMJ - 20rd Box

Winchester

Winchester Ammo USA300BLK USA 300 Blackout 125 FMJ - 20rd Box

Shipping: Under $10 Shipping
Grain Weight: 125
Round Count: 20
Bullet Type: FMJ
Use Case: Target
$17
$1.35/rd
Currently Available
First Defense Tactical 300 BLK 123gr FMJ 1,000/Case

MAGTECH AMMUNITION

First Defense Tactical 300 BLK 123gr FMJ 1,000/Case

Shipping: Free Shipping
Grain Weight: 123
Round Count: 1000
Bullet Type: FMJ
Use Case: Training
$659
$0.66/rd
Currently Available
Sig Sauer Defense Subsonic .300BLK 194GR Max Expansion 20RD Box

SIG SAUER

Sig Sauer Defense Subsonic .300BLK 194GR Max Expansion 20RD Box

Shipping: Shipping Varies
Grain Weight: 194
Round Count: 20
Bullet Type: Max Expa
Use Case: Defense
$60
$3.00/rd
Currently Available
Premier Match, 300 Blackout, 125 Grain, MatchKing Open Tip Match, 2215 fps

Remington

Premier Match, 300 Blackout, 125 Grain, MatchKing Open Tip Match, 2215 fps

Shipping: Under $10 Shipping
$42
Currently Available
Fiocchi 300BLKC Shooting Dynamics 300 AAC Blackout FMJ Boat Tail 150 GR - 50rd Box

Fiocchi Ammunition

Fiocchi 300BLKC Shooting Dynamics 300 AAC Blackout FMJ Boat Tail 150 GR - 50rd Box

Shipping: Shipping Varies
Grain Weight: 150
Round Count: 50
Bullet Type: FMJ Boat Tail
Use Case: Target
$51
$1.02/rd
Currently Available
Fusion MSR, 300 Blackout, 150 Grain, Fusion Soft Point, 1900 fps

Federal Premium

Fusion MSR, 300 Blackout, 150 Grain, Fusion Soft Point, 1900 fps

Shipping: Under $10 Shipping
$33
Currently Available
Hornady Frontier Cartridge, .300 AAC Blackout, FMJ, 125 Grain, 20 Rounds

HORNADY

Hornady Frontier Cartridge, .300 AAC Blackout, FMJ, 125 Grain, 20 Rounds

Shipping: Under $10 Shipping
Grain Weight: 125
Round Count: 20
Bullet Type: FMJ
Use Case: Target
$20
$1.25/rd
Currently Available
Core-Lokt Copper, 300 Blackout, 120 Grain, Copper HP, 2100 fps

Remington

Core-Lokt Copper, 300 Blackout, 120 Grain, Copper HP, 2100 fps

Shipping: Under $10 Shipping
$40
Currently Available
Black 300 AAC Blackout 110gr NTX Polymer Tipped 20/Box

HORNADY

Black 300 AAC Blackout 110gr NTX Polymer Tipped 20/Box

Shipping: Under $10 Shipping
Grain Weight: 110
Round Count: 20
Bullet Type: NTX Polymer Tipped
$37
$2.34/rd
Currently Available
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.300 Blackout ammo: prices, trends and what people build

Cheapest .300 Blackout confirmed in stock today

  1. 1Wolf 300BLKFMJ1 Polyformance .300 Blackout 145 GR FMJ Steel Case, Non-Corrosive - 500 Round Case$0.70/rd
  2. 2Winchester Target .300blk, 125gr OTR, 200rd Case$0.77/rd
  3. 3MAGTECH First Defense 300 Blackout 123Gr FMJ 50Rd Box Ammo (300BLKB)$0.78/rd
  4. 4Sig Sauer Target Supersonic .300BLK 125GR Ctt 500RD Case$0.80/rd
  5. 5Magtech 300BLKSUBA Tactical/Training 300 Blackout 200 gr Full Metal Jacket Subsonic - 50rd Box$0.82/rd

Stock and prices re-checked against today's merchant data; cost per round includes each merchant's estimated shipping.

.300 Blackout cost per round, last 82 daysMedian $1.42 · -2% since Jun 12
$0.51$1.58$2.64Jun 12Jul 26Sep 9HighMedianLow
Median of in-stock listings Low (5th percentile) High (95th percentile)

What people build in .300 Blackout

18 complete builds of 39 shared
Barrel length
30" 17% of builds
Gas system
Pistol 95%
Twist rate
1:7 57%
Typical build cost
$1,885$2,931 median $2,230
76% of parts in stock today

Complete means all core parts from lower to muzzle device plus a stock or buffer. Cost is today's cheapest in-stock merchant per part. All .300 Blackout builds.

.300 Blackout ammo prices, explained
How much does .300 Blackout ammo cost right now?
The cheapest in-stock .300 Blackout we track is $0.70/rd shipped (Wolf 300BLKFMJ1 Polyformance .300 Blackout 145 GR FMJ Steel Case, Non-Corrosive - 500 Round Case). 169 listings were confirmed in stock by their merchant today.
Is .300 Blackout ammo getting cheaper or more expensive?
Over the last 82 days the median in-stock price has fallen about 2%, from $1.45 to $1.42 per round. The chart above tracks it daily.
Does the per-round price include shipping?
Yes. Cost per round here is landed: the merchant's price plus its estimated shipping, divided by the rounds in the box. A cheap sticker price with $15 shipping usually loses to free shipping on a bigger case.

Related: 5.56 NATO · .223 Rem · .308 Win · 6.5 Creedmoor · 7.62x39mm · .30-06 Springfield · .270 Win · .300 Win Mag