AR-15 5.56/.223 20" red 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 red 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 threated. 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 - low profile 936 gas block made from stainless steel for maximum strength. Rifle length stainless steel gas tube.
Handguards - rifle-length free floating slim handguard. Features limited edition Trump rail in anodized blue. Made from aircraft quality aluminum and blue hardcoat anodized. Handguard options available on top of page.
*Does not come with BCG or Charging Handle. Maybe purchased separately. We may have variations in rail design based on stock availability, the same excellent quality.
CA and NY compliant.
MPN#: MA15BLKDMD-20RED