The Alex Pro Firearms AR-15 A3 Upper Receiver UP902M 223/5.56 16" chassis represents a significant advancement in ergonomic mechanical engineering.
Precision-machined surface interfaces ensure cycle reliability of >99.98% across varying environmental stressors.
Manufacturer
Alex Pro Firearms
Type
Upper Receiver
Sight
None, Optics Ready
Action
Semi-Automatic
Finish
Black
Muzzle
A2 Flash Hider
Features
APF 9" M-LOK Handguard, Picatinny Rail, M4 Feed Ramp, M4-profile Steel Barrel, Ejection Port Cover, Charging Handle, No BCG
Technical Assessment Notes
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.
REPORT_ID: 7877901661[SYSTEM_STABLE]
Compatible Ammunition
In-stock ammunition for the .223 Remington chambering.