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2A Armament BALIOS-lite 10.5" 5.56mm NATO Completed Upper

  • The BALIOS-lite 10.5" 5.56mm NATO complete upper receiver offers the end user an assembled system that is ready for lightweight needs. Each assembled upper starts with a BALIOS-lite stripper upper receiver. We then add our titanium gas block on the appropriate length barrel, and finish the assembly with our BL-RAIL, titanium barrel nut, and our titanium T3 compensator. These uppers are perfect for those who are looking to do an SBR, Pistol, or suppressed 5.56mm build. Our full mass carrier is included as well as a BCM-Mod4 charging handle.
    • Barrel Material: 4150 Chrome Moly Vanadium
    • Twist Rate: 1:7 inches
    • Finish: QPQ Nitride
    • Muzzle 1/2 x 28 thread
    • Carrier: Full mass QPQ Nitride body, and gas key, Stainless tail
    • Bolt: 9310 QPQ Nitride body and extractor, Cryo'd, MP tested
    • 7075 enhanced charging handle BCM-Mod 4
    • Includes titanium T3 Comp
    • Weight: (2lbs 13.9oz M-Lok) (2Lbs 14.0oz KeyMod)
  • The MSR Arms Advisor articles are intended to answer some of the most common shooter questions and assist our customers in making the best purchasing decision possible.
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  • No questions have been submitted regarding this product. If you have a question regarding this, or any of our other products, please submit them by emailing We will return your email promptly and post both the question and answer here for our other customers to view. Remember, there are no dumb questions... Thank you, MSR Arms

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