“Blem” Microbest M16 Full Chrome Bolt Carrier Group – MPI , HPT , OCKS, Sprinco

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 are guaranteed to be fully functional.  If you want the phosphate extractor version, click here Microbest m16 Full Chrome HPT / MPI Bolt Carrier Group BCG, Sprinco, OCKS, Phos Extractor, blem – Mid State Firearms

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