Product Details

This Bear Creek Arsenal AR-15 Side Charging Complete Upper has a 16" M4 Contour barrel made of 4150 steel with a Black Nitride finish and a 1:8 twist rate. The assembly includes a 10" MLOK, a billet side charging upper receiver, bolt carrier group, flash hider and charging handle. It is chambered in 6.5 Grendel type II and machined with .300 black out feed ramps in the barrel extension.

  • 16" M4 Contour Barrel
  • 4150 Chrome Moly Vanadium 
  • Black Nitride Finish
  • Straight Fluted
  • 1:8 Twist
  • 10" MLOK Rail
  • 6.5 Grendel Type II 
  • Carbine Length Gas System
  • Billet Side Charging Upper Receiver
  • Charging Handle
This BCA AR-15 Complete Upper, like all BCA products, is subjected to numerous QA/QC checks which for BCA's firearms and complete upper receiver assemblies includes test firing prior to approval and shipment.


Additional magazines can be purchased HERE!

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Category Gun Parts
Caliber 6.5 Grendel
Manufacturer SKU UASC6.5CM41618(MF)-(10)MLOK3
UPC 11122233738
Condition New
Manufacturer Bear Creek Arsenal
Barrel Length 16"
Twist 1:8
Barrel Color Black
Color Black
Rail M-Lok

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