Description
AO Precision BCG and Upper Receiver Build Kit – M16 PhosphateBolt Carrier Group Anodized True Mil-Spec Upper Receiver Mil-Spec Charging Handle
This upper receiver build kit is comprised of the following items and comes with everything that you need tobuild outyour upper.
Be sure to select any of or dust cover options from the dropdown menu!
Includes:
- AOPrecision Complete M16 5.56 Phosphate Bolt Carrier Group
- AO Precision True Mil-Spec M4 Flat Top Upper Receiver – Stripped
- Standard M4 5.56 Charging Handle – 7075 Aluminum
Component Features:
AO Precision M16 5.56PhosphateBCG
- Caliber: .223 / 5.56 / 300 Blackout
- Enhanced 9310 Steel (Bolt)
- Bolt is shot Peened and HPT/MPI
- 8620Aircraft Grade Steel (Carrier)
- Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
- Tool Steel Extractor
- Shrouded Firing Pin
- Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
AO Precision True Mil-Spec M4 Flat Top Upper Receiver
- Material: 7075 T6 Aluminum
- Finish: Type III Hard Anodizing
- Compatibility: All Mil-Spec AR-15 components
- Additional: Dry film lubricated interior, M4 feed ramps, T-Marks on Picatinny rail
Standard AR-15 Charging Handle
- Standard Latch
- Aluminum alloy
- Hardcoat anodized – Black
Add a plain or engraved port door forward assist kit from the drop down menu.
Choose one of our upper engraving graphics from the drop down menu.
See reference “CHART A” and “CHART B” tabs above.
PORT DOOR GRAPHICENGRAVING REFERENCE CHART
THESE ENGRAVED PORT DOORS COME WITH ALL HARDWARE NEEDED FOR THE PORT DOOR AND FORWARD ASSIST
EXAMPLE
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