AR-15 5.56/.223 24" black nitride modular bull upper assembly is offered exclusively by Moriarti Armaments. Custom made to order.
The upper receiver features:
Barrel - 24" 416 stainless steel bull barrel nitride coated. Hardened to 26-32 rc and stress relieved. Chambered in 5.56 NATO (advantage of shooting either .223Rem or 5.56 NATO cartridge). 1-9* rh twist. Target crowned - not threaded. M4 feedramps.
A3 flat top upper receiver - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized and teflon coated to gov. specs. Forward assist and dust cover installed. M4 feedramps.
Gas system - .936 low profile gas block made from stainless steel for maximum strength. Rifle length gas system.
Handguards - rifle length free floating slim mlok handguard. Made from aircraft quality aluminum and black hardcoat anodized.*
*Twist may vary between 1/8 and 1/9, depending on stock availability. Does not come with BCG or Charging Handle. Maybe purchased separately.
CA and NY compliant.