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Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition for Training, Target

Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 50 Rounds, 300BLKB
Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 50 Rounds, 300BLKB
Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 300BLKB
Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 50 Rounds, 300BLKB
1 of 3 images
Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 50 Rounds, 300BLKB
Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 50 Rounds, 300BLKB
2 of 3 images
Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 50 Rounds, 300BLKB
Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 300BLKB
3 of 3 images
Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 300BLKB

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Customer Reviews
Most Recent Reviews
Great practice ammo by Rob, Verified Owner, December 28, 2025
Ran great out of an 8" pistol ar. Cycled fine, even with an FRT. Will be buying this again for my next range trip
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Number of Rounds:
50

Code: 1TY-LAR-MGT300F-300BLKB

MPN: 300BLKB

UPC: 754908209613

List: $48.60
$0.96/Round
$47.99

Product Info for Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition

Full Metal Jacket projectiles are the ideal choice for training, target shooting and general range use. Magtech FMJ ammunition delivers reliable, accurate performance on the range. Available in a wide variety of calibers and bullet weights along with supersonic and subsonic options where applicable.image

Specifications for Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition:

Manufacturer: Magtech
Caliber: .300 AAC Blackout
Number of Rounds: 50
Bullet Type: Full Metal Jacket (FMJ)
Bullet Weight: 123 grain
Cartridge Case Material: Brass
Muzzle Velocity: 2230 ft/s
Muzzle Energy: 1359 ft-lbs
Application: Target, Training
Package Type: Box
Primer Style: Centerfire
Lead Free: No

Package Contents:

  • Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition

What is Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition good for?

The manufacturer suggests that it is suitable for training, target.

Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition Orderable Models

List of Orderable Models

  • Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 300BLKB , MPN: 300BLKB , UPC: 754908209613 , Code: 1TY-LAR-MGT300F-300BLKB

Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition Unavailable & Discontinued Models

List of Unorderable Models

  • Magtech .300 Blackout, 123 Grain, FMJ, Brass Cased, Centerfire Rifle Ammo, 1000 Rounds, 300BLKBCS , MPN: 300BLKBCS , UPC: 754908209606 , Code: 1TY-LAR-MGT300F-300BLKBCS
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Last updated 2026-09-08 UTC.