Description
These top-of-the-line Microbest BCGs are the perfect upgrade to your current AR, addition to your next build or back up in your range bag! Microbest provides OEM products to many of the top manufacturers in the industry like FN. Microbest BCGs are specifically made for companies such as BCM and Sons of Libtery just to name a few. Don’t pay for a roll mark name when you can get the same quality without the extra mark up!
These BCGs are all chrome to provide easy cleaning and increased lubricity over standard Milspec carriers, just as Eugene Stoner intended. Also incorporated is a phosphate extractor and upgraded Springco 5 coil extractor spring to pull that spent brass, because you want more grip on the shell casing, not a slick coating or material!
Microbest sets the industry standard for high quality BCGs, meeting or exceeding Milspec standards and manufacturing to exact specs and tolerances. These BCGs are individually MP inspected, HP tested and shot peened.
- Mil spec M16 cut carrier made from 8620 steel
- Bolt made from Carpenter 158 steel
- Individually magnetic partial inspected
- Shot peened
- High pressure tested
- Chromed firing pin, 8620 steel
- Phosphate 4140 steel extractor
- Springco 5 coil extractor spring
- Gas key 4140 steel
- Grade 8 hardware
- Properly steaked
*For your safety, it is recommended to check proper headspace when pairing a bolt and barrel
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