Phase 5 M16/M4/AR-15 Complete Bolt Carrier Group .223 Remington/5.56 NATO HPT/MPI Tested Chrome Lined Black Phosphate Finish

Phase 5 Weapon Systems
813318020123
BCG-M16
2-PH5BCG-M16
$122.08
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The Phase 5 M16/M4/AR-15 Complete Bolt Carrier group is the idea part for finishing up that project upper, or as a replacement for an old worn out carrier. This quality complete bolt carrier group will drop into any AR-15 upper receiver and get you back in business in no time. As an additional benefit this carrier is compatible with Full Auto lowers as well. The bolt is high pressure tested, and magnetic particle inspected while the carrier is heat treated chrome lined and features a Black phosphate coating. The gas key on this unit will not be staked as per the note from the manufacturer below.

Specifications and Features:
Phase 5 AR-15 Complete Bolt Carrier Group BCG-M16
.223 Remington/5.56 NATO
High Pressure Tested/Magnetic Particle Inspected Bolt
Heat Treated/Chrome Lined with Black Phosphate Coating
Full Auto/Semi-Auto Compatible
Non-Staked Gas Key* (See note below from manufacturer)
Overall Length 7.5"
Overall Weight 11.54oz
Black Finish
Note from Phase 5: There has been a lot of talk about the pros and cons of staking the gas key on the carrier. Here is our opinion and why we do not stake keys. The US Mil Spec. assembly drawing requires the carrier key to be staked. Contrary to some popular opinions staking does not "SEAL" the gas key. Staking keeps the screws from backing out. Period. If you do not properly torque the screws to 35 inch pounds you will be staking a screw that is loose or one that is over torqued and prone to breakage. We have seen plenty of staked screws that are loose or broken.

Includes:
Complete Carrier
Bolt
Cam Pin
Firing Pin
Firing Pin Retaining Pin

Fits:
Full Auto/Semi-Auto Compatible M16/M4/AR-15 rifles/pi stols