Description
***Cosmetic Blemish*** These are the same spec as our ALL-CHROME w/ PHOSPHATE EXTRACTOR BCGS. They will function properly 100% of the time but may exhibit cosmetic irregularities.
These have Mil-Spec Carrier Key Screws. If you prefer the Premium Variant (upgraded w/ OCKS Carrier Key Screws), Click Here.
Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. These are individually High Pressure Tested and then undergo a Magnetic Particle Inspection. We recommend degreasing and lubricating before installation. Ships in OEM packaging.
Features:
All-Chrome M-16 BCG
Mil Spec Carrier
- 8620 Tool Steel
- Full Auto M-16 cut
Mil-Spec Bolt
- C158 Steel
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)
Mil Spec Extractor - PHOSPHATE
- 4140 Steel
- Chrome Silicon Extractor Spring by Sprinco
- Black Extractor Insert
Mil Spec Gas Key
- 4130 Steel
- Grade 8 Hardware
- Properly Staked
Weight: 11.6oz
