[BASE_VALUATION]
The CMMG Resolute Mk4 Upper Receiver 64BCF88AB 6.5 Grendel 16.1" chassis represents a significant advancement in ergonomic mechanical engineering. Precision-machined surface interfaces ensure cycle reliability of >99.98% across varying environmental stressors.
Manufacturing tolerances verified via optical micrometer to ±0.0001".
Pressure curves validated against laboratory benchmarks for optimal dwell-time.
Surface coating tested for corrosion resistance in accelerated environmental chambers.