BCM 5.56 NATO Enhanced Lightweight Barreled AR-15 Upper – MCMR-13 – 14.5″


  • 5.56 NATO chamber
  • 14.5″ Mil-B-11595E steel barrel
  • Manganese phosphate barrel finish
  • M4 feed ramp barrel extension
  • T-marked upper receiver
  • USGI 1:7 twist rate
  • Chrome bore and chamber
  • 3″ Picatinny rail section
  • BCM MCMR sling mount


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Looking for a top quality AR-15 upper that will perform reliably in any situation? Check out the BCM 5.56 NATO Enhanced Lightweight Barreled Upper. This badass upper is built for durability and performance, with a 14.5″ barrel made from Mil-Spec steel and a strong manganese phosphate finish to protect against corrosion. The versatile 1/7 twist rate is compatible with heavier 5.56 ammo, making this upper perfect for any number of applications.

And because we know that one size does NOT fit all when it comes to tactical accessories, we’ve equipped the T-Marked upper receiver on this upper with modularity in mind, so you can easily remount whatever accessory you need for the job at hand. The factory machined M4 feed ramps are Mil-Spec and hard coat anodized for outstanding reliability, even under strenuous conditions. So if you’re looking for an AR-15 upper that will give you the edge in any situation, look no further than the BCM 5.56 NATO Enhanced Lightweight Barreled Upper!


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