This Noveske Gen 4 Semi-Automatic Centerfire Pistol features a stainless barrel and Lo-Pro gas block. The upper receiver is a precision machined billet receiver from 7075-T6 aluminum and has a hard coat type III anodizing with Cerakote ceramic coating. The lower receiver is also machined from 7075-T6 aluminum and features a Noveske single stage trigger and B5 Systems Type 22 pistol grip. FeaturesNoveske Chainsaw forged lower receiver from 7075-T6 aluminumEnhanced polymer trigger guardGovernment issue 90 degree safety selectorNoveske Single Stage Trigger- 5lbs pull weightH2 buffer with carbine action spring30 round Gen 3 300BLK PMAG4th Generation NSR-9.75" (M-LOK) Free Floating HandguardNoveske Love Handle ambidextrous charging handlePhosphate coated bolt carrier, full auto compatible