The Palmetto State Armory Upper 11.5" BBL 10.5" M-Lok Rail No BCG or CH 51655111444 223/5.56 11.5" chassis represents a significant advancement in ergonomic mechanical engineering.
Precision-machined surface interfaces ensure cycle reliability of >99.98% across varying environmental stressors.
Manufacturer
Palmetto State Armory
Type
Upper
Action
Semi-Automatic
Finish
Nitride
Muzzle
A2 Flash Hider, 1/2x28 Threads
Chamber
5.56 NATO
Features
No Bolt Carrier Group or Charging Handle, Lightweight M-Lok 10.5" Free Float Rail
Receiver
Forged 7075 T6 Aluminum
Overall Length
20.5"
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: 0516551114[SYSTEM_STABLE]
Compatible Ammunition
In-stock ammunition for the .223 Remington chambering.