Fail Zero's full-auto rated bolt carrier group for 5.56mm AR-15s combines lightweight construction with enhanced reliability. Engineered for demanding shooting applications.
The Fail Zero full-auto bolt carrier group represents a thoughtful engineering solution for shooters who demand reliability without unnecessary weight. This is a purpose-built component for the 5.56mm AR-15 platform.
A lighter bolt carrier group cycles faster and reduces the impulse transmitted to the shooter. This translates to faster follow-up shots and less muzzle rise during rapid fire. The full-auto rating ensures this component can handle sustained fire without compromise.
This is a precision-manufactured component built to exacting standards. Installation requires basic AR-15 armorer knowledge. Proper maintenance and lubrication will ensure years of reliable service.
Whether you're building a precision rifle or upgrading an existing platform, this bolt carrier group delivers the reliability serious shooters expect.