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Aero Slick Side Assembled Upper Receiver + Toolcraft Nickel Boron 158 Bolt Carrier Group

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Product Code: TOOAUTO-010-C158-APAR610401A
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Aero Slick Side Upper & Toolcraft NiB 158 BCG Combo

This combo package brings together the durability and best-in-industry quality of the Toolcraft Nickel Boron bolt carrier group and a slick side assembled upper receiver from Aero Precision. The Toolcraft BCG features a shot-peened and MPI-tested bolt and all of its components are pre-polished, plated by UCT and then polished again for a high shine. The Aero Precision upper features a black anodized finish for a durable, sleek look and includes T-marks. An RCA adjustable gas key can be included with your kit. Review the specs below and save big with this assembled upper receiver and BCG kit!

Toolcraft BCG features:

  • Bolt made of mil-spec carpenter No. 158 steel
  • Carrier made of 8620 tool steel
  • Mil-spec extractor spring, black extractor insert and Viton O-ring
  • Tool steel extractor & shrouded firing pin
  • Mil-spec 4130 steel gas key attached w/ Grade 8 hardware and properly staked
  • Caliber: .223/5.56/300 Blackout
  • Shot-peened and MPI-tested

Aero upper receiver specifications:

  • Anodized black finish
  • Forged from 7075-76 aluminum
  • M4 flat top
  • M4 feedramps
  • T-marks
Have us engrave your port door and/or upper receiver. Choose your graphics from the drop down menus.

See reference "CHART A" and
"CHART B" tabs above.
PORT DOOR GRAPHIC
ENGRAVING REFERENCE CHART

H
ave us engrave the dust cover that comes installed on this upper


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SKU:
TOOAUTO-010-C158-APAR610401A
Maximum Purchase:
10 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


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