20rds - 5.56 Federal Commercial Version MK318 MOD-0 62gr. OTM (SOST) Ammo

Federal Ammunition 62 Grain Hollow Point Ammo Details

20 Rounds - 5.56 Federal Commercial Version MK318 MOD-0 62gr. OTM (SOST) Ammo



Produced by Minnesota-based Federal, this package contains 20 rounds of Federal Commercial Version MK318 MOD-0 5.56x45mm NATO ammunition. Each round is loaded with a 62 grain Special Operations Science and Technology (SOST) Open Tip Match projectile. These projectiles produce impressive pinpoint accuracy and feature a lead core with a reverse copper jacket to create the open tip.



This new SOST round was designed for the US Marine Corps as a supplemental round to the M855 green tip ammunition. It offers enhanced ballistics and improved terminal performance. Designated as MK318 MOD-0, these rounds were engineered for barrier defeat and offer superior penetration and impressive in-flight stability.



These rounds are factory fresh, non-corrosive, and boxer primed. Each cartridge features a quality, reloadable brass casing and produces a muzzle velocity of 2925 feet per second with 1280 foot pounds of muzzle energy. These loads are guaranteed to provide the precision accuracy and terminal performance necessary for military duty or personal protection.

  • Product Type
    Ammo
  • Manufacturer
  • Condition
    New
  • Bullet Weight
  • Bullet Type
  • Quantity
    20
  • Ammo Caliber
    223 Remington
  • Manufacturer SKU
    T556TNB1
  • Cost Per Round
    $1.40/ppr

Additional Resources

  • Winchester Deer Season XP

    A look at Winchester Deer Season XP ammunition – what makes it unique and why it might be a good choice for your next deer hunt.

    Read more
  • 22 Creedmoor vs 22 ARC

    A side by side comparison of 22 creedmoor vs 22 arc. We dive into what each of calibers is good for including a comparison of each caliber’s velocity, energy & more.

    Read more
  • Best 30-06 Ammo for Deer Hunting

    Our picks for your top options if you’re hunting deer with 30-06.

    Read more
  • 8.6 Blackout Ballistics

    We look at 8.6 blackout ballistic data for the most commonly available loads for civilians in the United States.

    Read more
  • Best Low Recoil 12 Gauge Ammo

    Our picks for the top low recoil 12 gauge shotshell and buckshot options out there and what you should look for in a good low-recoil round.

    Read more
  • The Savage Stance XR – A Review

    Savage surprised many with the launch of the Stance 9mm. Compact, ambidextrous, and under $500, it brings real extras to a crowded concealed carry market.

    Read more

The Reviews

Why Shooters and Hunters love or hate 20rds - 5.56 Federal Commercial Version MK318 MOD-0 62gr. OTM (SOST) Ammo

Leave a Review Reviews icon
Write a review
Upload complete

For best results, we suggest:

  • max 5 files
  • only jpg, jpeg, png, heic, heif formats
  • max 2MB (per file)
  • max width 5000px
  • max height 5000px
All Categories
Rifle Ammo
Rifle Ammo