Microbest
Tier 1: PremiumRancho Cucamonga, CaliforniaFounded 1994
Overview
Premium BCG OEM with military contracts. Microbest BCGs are the gold standard for mil-spec bolt carrier groups.
What They're Known For
- M4/M16 BCGs
- Military contract BCGs
OEM Relationships
Who they source from and who they manufacture for. Learn more in the OEM Tree guide.
Sources From
- Carpenter 158
- In-house machining
Makes Parts For
- Colt
- FN
- US military contracts
- Premium brands resell Microbest