MSF 14.5” Pin/weld 5.56/.223 Ar15 Rifle Upper assembly



Complete your upper

Add a bolt carrier group and charging handle to complete your upper.


Charging Handle Options

Customize your upper

Handguard Options

Barrel Options

Gas Block

Muzzle Device Options

Foregrip Options

Optic Options

Light Options

Dust Cover Engraving

Product price: $349.00
Order total:

Free shipping on all orders over $500

  • Live inventory and ready to ship
  • Questions? Text us at (601) 720-8252

14.5″ Ar-15 5.56/223 Upper (Legal rifle, 16″+)

  • 14.5″ 4150 Chrome Moly (CMV) Barrel.
  • 1:7 twist.
  • m4 feed ramps.
  • 556 NATO Chamber (shoots both 5.56 and 223).
  • Carbine Gas length  (or mid if selected).
  • .750 Steel Low Profile Gas Block.
  • Dust cover, Forward Assist installed.
  • Spectre Flash Hider (differs from A2).
  • 12″ Free Float M-Lok Handguard

M16 BCG & Charging Handle available in options. This comes professionally assembled and ready to go. If you order our BCG, we’ll test fire with that one prior to shipping.

  Muzzle device is pinned and welded to make a legal 16″+ upper.  Contact us for any questions regarding this that you may have.

Additional information

Weight 5 lbs
Barrel Size