For 10% Off Use Code: "RESOLUTEN"

RTB BCG + AO Precision Upper Build Kit

Rating: Total Reviews: 0 Write a Review
Product Code: 00-UR-AR00052B-X-SBNM16-UPP-BLD-KIT
List Price: $280.00
MSRP: $280.00
Sale Price: Sale Price: $133.28
Savings: $146.72
$133.28
Click for Price

Right To Bear x AO Precision Upper Build Kit - RTB M16 Black Nitride Bolt Carrier Group + AO M4 Upper Receiver + Mil-Spec Charging Handle + Forward Assist + Dust Cover


This upper receiver build kit is comprised of the following items and comes with everything that you need to build out your upper.

Be sure to select any of or dust cover options from the dropdown menu!


Component Features:

RTB 5.56 Black Nitride BCG
  • Enhanced 9310 Steel (Bolt)
  • 8620 Tool 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
  • Caliber: .223 / 5.56 / 300 Blackout
  • Bolt is shot Peened and MPI
  • All BCG components are pre-polished before being processed and then post polished for an incredible shine

AO Precision Mil-Spec M4 Flattop 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
  • 7075 T6 Aluminum
  • Hardcoat anodized - Black

Mil-Spec Ejection Port Door Kit
  • Ejection Port Door Cover Assembly (Dust Cover)
  • Ejection Port Cover Spring
  • Ejection Port Cover Knurled Rod (No C-clip)

Forward Assist Assembly Kit
  • Forward Assist
  • Forward Assist Spring
  • Forward Assist Retention Pin

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 GRAPHIC
ENGRAVING REFERENCE CHART

THESE ENGRAVED PORT DOORS COME WITH ALL HARDWARE NEEDED FOR THE PORT DOOR AND FORWARD ASSIST

EXAMPLE



1



2



3



4



5



6



7



8



9



10



11


12


13


14


15


16


17


18


19


20


21



22



23


24


25
26
SKU:
00-UR-AR00052B-X-SBNM16-UPP-BLD-KIT
Maximum Purchase:
20 units
UPPER RECEIVER GRAPHIC
ENGRAVING REFERENCE CHART

H
AVE YOUR UPPER PRECISION LASER ENGRAVED

OUR LASER ENGRAVED UPPERS COME WITH A PERMANENT AND EXTREMELY GOOD LOOKING HIGH CONTRAST WHITE MARKING


1



2



3



4



5



6



7



8



9



10



11



12



13



14



15



16



17


18



19



20



21



22



23



24



25



26



27



28



29



30