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Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition F300BMSR3 for General — After Mail-in Rebate, 10% Off

Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammo, 20 Rounds, F300BMSR3
Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammo, 20 Rounds, F300BMSR3
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Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammo, 20 Rounds, F300BMSR3

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Earn 20% Back on Select Federal Fusion Ammo! Must Buy 2 or More!

Download the rebate form
$31.60 after 20% Mail-in Rebate
Get a 20% rebate when this product is purchased by November 30th, 2026 and the rebate form is postmarked by December 31st, 2026. or see details
Number of Rounds:
20

Code: 92D-LAR-AF300BMSR3-F300BMSR3

MPN: F300BMSR3

UPC: 604544657340

$31.60 after 20% Mail-in Rebate
List: $43.99Save 10%
$1.97/Round
$39.49

Get a 20% rebate when you purchase Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition before November 30, 2026 and the rebate form is postmarked by December 31, 2026. Download the Rebate Form or see details.

Product Info for Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition

The modern sporting rifle isnt just some gun. Its a highly adapted hunting machine, and it needs ammunition thats just as customized: Fusion MSR. From primer to projectile, virtually every component is optimized for use in modern sporting rifles and peak ballistic performance through short barrels.image

Specifications for Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition:

Manufacturer: Federal
Caliber: .300 AAC Blackout
Number of Rounds: 20
Bullet Type: Subsonic eXpanding (Sub-X)
Bullet Weight: 190 grain
Cartridge Case Material: Brass
Application: General
Primer Style: Centerfire
Bullet Tip Material: Polymer

Features of Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Cased Rifle Ammunition

  • Clean-burning, low-flash, fast-burning propellants boost velocity through typical-length MSR barrels
  • Primer compatible with rifles that have free-floating firing pins
  • Military-style colored case iris gives visual confirmation of proper case metallurgy
  • Molecularly-fused jacket around a pressure-formed core produces excellent accuracy

Package Contents:

  • Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition

What is Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition good for?

The manufacturer suggests that it is good for general.

Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammunition Orderable Models

List of Orderable Models

  • Federal MSR 300 Blackout 190 Grain Subsonic Expanding Brass Rifle Ammo, 20 Rounds, F300BMSR3 , MPN: F300BMSR3 , UPC: 604544657340 , Code: 92D-LAR-AF300BMSR3-F300BMSR3
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Last updated 2026-10-26 UTC.