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
See reference "CHART A" and "CHART B" tabs above.
- Maximum Purchase:
- 10 units