Buy It Now: $645.99
We do love ourselves some carbon fiber and this flattop upper receiver assembly from Bushmaster Firearms reminds us why. Designed for the aerospace agency this insanely strong and resistant composite is just as strong as milled aluminum. The hi-tech polymer keeps weight low and durabilty high also!
This carbon fiber upper comes complete and ready to drop into any lower of your choice. One of our favorite features on this piece is the patented “Izzy” Bushmaster compensator that diverts hot combustion gases through three gas ports to lower muzzle flash and control muzzle rise during periods of rapid fire.
If you plan on building an ar 15 then this is the way to go. More . . .
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