AR-15 5.56/.223 20" yellow diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features:
Barrel - 20" 416 stainless steel bull contour barrel with diamond fluting. Hand yellow coated with stainless flutes. Hardened to 26-32 rc and stress relieved. Chambered in 5.56 nato (also accepts .223 rounds). 1-8 rh twist 6 groove button rifled, .936 under gas block. Target crowned - not threaded. M4 feedramps.
A3 flat top upper receiver - made from certified 7075-t6 aluminum forgings. Blue hardcoat anodized. Forward assist and dust cover installed. M4 feedramps.
Gas system - low profile gas block made from stainless steel for maximum strength. Rifle length stainless steel gas tube.
Handguards - rifle-length free floating slim mlok handguard in blue. Made from aircraft quality aluminum.
*Does not come with BCG or Charing Handle. Maybe purchased separately. We may have variations in rail design based on stock availability, the same excellent quality.
CA and NY compliant.
Tags: ar-15 5.56/.223 20" yellow diamond modular bull upper assembly 20 20 20 20" 20", nato, wylde 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20"