This Bear Creek Arsenal complete upper (Bear Creek Arsenal part no. UAF1011556CM4105) pairs a 16-inch, 1:7-twist 5.56 NATO barrel with a mid-length gas system and M-LOK handguard, and ships with the bolt carrier group and charging handle already installed.

Key Specifications

• Brand: Bear Creek Arsenal.
• Caliber: 5.56 NATO.
• Barrel length: 16 inches.
• Rate of twist: 1:7.
• Gas system: mid-length.
• Handguard: M-LOK.
• Included: bolt carrier group and charging handle.

Frequently Asked Questions

Does this upper include the bolt carrier group? Yes, this configuration ships with the BCG and charging handle already installed, unlike the shorter Bear Creek uppers sold as barreled upper only.

Does the 16in barrel length raise any NFA concerns? No, at 16 inches this upper already clears the federal rifle minimum barrel length, so it can be paired with a stocked rifle lower with no special paperwork.

Buy the Bear Creek Arsenal Complete Upper, 5.56 NATO, 16in, Mid-Length, M-LOK, w/ BCG & Charging Handle

Get the Bear Creek Arsenal Complete Upper, 5.56 NATO, 16in, Mid-Length, M-LOK, w/ BCG & Charging Handle from Bear Creek Arsenal, browsable in our full AR15 Uppers selection. Order from a Lubbock, TX gun shop for insured shipping.