REMINGTON 223 REM - 55 GR - FMJ - 50 RDS/BOX

Remington
MPN:
R23966
UPC:
047700398402
$36.69
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Remington UMC .223 Rem 55-grain FMJ is the go-to centerfire rifle ammunition for shooters who demand consistent, reliable performance without breaking the bank — whether at the range, in training, or in the field chasing varmints.

  • 55-grain full metal jacket bullet delivers flat trajectory and reliable feeding
  • Reloadable brass case for added long-term value at the range
  • Boxer-primed for consistent ignition across a wide range of conditions
  • Loaded in the USA to strict Remington quality-control standards
  • 50-round box keeps high-volume sessions well-stocked and cost-effective
  • Clean-burning propellant minimizes fouling for easier post-range cleanup

Who This Is For

This ammunition is ideal for AR-15 owners, competitive shooters, and varmint hunters who go through high round counts and need a dependable, accurate cartridge that performs session after session. It's equally well-suited for new shooters building fundamentals and experienced riflemen running drills who want quality brass-cased ammo at an accessible price point.

Remington UMC .223 Rem 55gr FMJ 50-Round Box Remington UMC .223 Rem FMJ cartridge close-up showing brass case and bullet

Specifications

BrandRemington
LineUMC (Union Metallic Cartridge)
Caliber.223 Remington
Bullet Weight55 Grain
Bullet TypeFull Metal Jacket (FMJ)
Muzzle Velocity3,240 fps
Muzzle Energy1,282 ft-lbs
Case MaterialBrass
Primer TypeBoxer
Rounds Per Box50
Country of OriginUSA

Frequently Asked Questions

Is this .223 Rem ammo safe to shoot in a 5.56 NATO chamber?

.223 Remington ammunition is safe to fire in rifles chambered for 5.56 NATO. However, the reverse is not always true — 5.56 NATO rounds should not be fired in a barrel marked ".223 Rem only" due to slightly higher pressure. Always confirm your firearm's chamber marking before selecting ammunition.

Is the 55-grain FMJ bullet suitable for varmint hunting?

Yes. The 55-grain FMJ at .223 Rem velocities is widely used for varmint control on species such as prairie dogs, groundhogs, and coyotes at moderate ranges. For hunting applications requiring rapid expansion, a soft-point or hollow-point load may be preferred, but FMJ performs reliably for high-volume varmint sessions where cost and round count are a priority.

Can I reload the brass cases from this Remington UMC ammunition?

Yes. Remington UMC ammunition uses reloadable brass cases with standard Boxer primers, making spent cases easy to resize, reprime, and reload. This adds significant long-term value for handloaders who want to stretch their shooting budget even further.

Caliber:
223 REM
Bullet Weight:
55 GR
Bullet Type:
FMJ
Purpose:
Range/Target
Type:
Rifle Ammunition
Box Quantity:
50
Case Quantity:
400
Lead Free:
No