Product Details

This Bear Creek Arsenal AR-15 Complete Upper has a 16” barrel with an M4 Contour profile, made of 4150 steel with a Parkerized finish, and features a 1:8 Twist Rate, a Carbine length gas system and .750 Gas Block. The Upper includes a 15” MLOK Rail, an M4 flat-top forged upper receiver with forward assist, a BCA Bolt Carrier Group, an LS2 Flash Hider, and a Charging Handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.

This Upper ships out with three test casings.

  • 16” M4 Contour Barrel
  • 4150 Chrome Moly Vanadium
  • Parkerized Finish
  • 1:8 Twist
  • 15” MLOK Rail
  • 5.56 NATO
  • Carbine Length Gas System
  • M4 Flat-Top Forged Upper Receiver
  • Standard Bear Creek Arsenal Bolt Carrier Group
  • Charging Handle
  • LS2 Flash Hider
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. This Rifle is also backed by BCA's Bear Den Guarantee.

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Category Gun Parts
Caliber 223/5.56
Manufacturer SKU 617-UA556CM41618P-15MLOK3
UPC 11122233727
Condition New
Manufacturer Bear Creek Arsenal
Barrel Length 16"
Twist 1:8
Color Black

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