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Fully functional Microbest complete bcg. This bolt carrier group is chromed inside and out and made by one of the most renowned manufacturers in the industry. These “blems” may have blemishes or tool marks in areas that do not affect function. Blems could be dings or scratches, tool marks, etc. These BCGs should still be fully functional.
These include OCKS gas key screws and Sprinco ejector and extractor springs.
Microbest MPI bolts are individually high pressure / proof tested as well.
Mil Spec 8620 Carrier, Full Chrome
- 8620 Quality Steel
- Full Auto M-16 cut
Mil-Spec Bolt , Full Chrome
- Carpenter 158 Steel (c158)
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)
- Sprinco Extractor and ejector springs, with sprinco insert
Mil Spec Extractor – full chrome
- chrome plated extractor
- 4140 Steel
- Extractor Spring by Sprinco
- Black Extractor Insert
Mil Spec Gas Key, Full Chrome
- 4130 Steel
- Grade 8 Hardware
- OCKS gas key screws
- Properly Staked
4140 Steel Cam pin, chrome finish
Firing Pin, retaining pin
Weight: 11.6oz
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