MSF x Breek Arms 14.5″ Pin & Weld Ar15 Upper – Ambi Charging Handle, MLok Rugged Rail



Complete your upper

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


Muzzle Device

2BO Double Port Ar15 Muzzle Brake Outside Threaded
Breek Arms 3FO Ar15 Flash Hider v2 3 Prong
Breek Arms BFO Ar15 Flash Hider Cage Style, Caged 3prong

Barrel Options

Gas Block

Foregrip Options

Optic Options

Light Options

Folding Adapter

Lower Parts ?

Ar15 Standard Lower Parts Kit LPK $49.99
Velocity 3lb Enhanced AR-15 Lower Parts Kit LPK $199.00
Ar15 Mil Spec Carbine Buffer Tube Kit $39.99

Custom Dust Cover Engraving

Tools / Extras

Product price: $499.00
Order total:

Free shipping on all orders over $500

Quality built Ar15 Upper featuring a great combination of excellent components. Featuring a Charging Handle, Rail, and Muzzle Device by Breek Arms. Includes the perfect length rail for 14.5 inch barrels!


  • 14.5″ 4150 Chrome Moly Vanadium Steel barrel, (Shoots 5.56 / 223 wylde)
  • Pinned & Welded for legal 16″ Rifle length
  • Breek Arms muzzle device, compatible with blash shield and 13/16-16 threads.
  • 13.7″ RG2 Mlok aluminum handguard with wedge lock system, anodized black.
  • 7075-t6 Mil Spec Aluminum a4 Receiver, Anodized black
  • M4 Feed Ramps
  • Breek Arms WARHAMMER Ambidextrous Charging handle
  • BCG available in options

Additional information

Weight 4 lbs
Dimensions 36 × 4 × 4 in


Barrel Size


Rail Length


Thread Pitch


Model Style