*Milspec forged aluminum upper receiver with forward assist and
dust cover assembly installed. Matte black hard coat anodized Mil 8625 Type 3
Class 2. Forged from 7075 T6 aluminum. M4
*Young Mfg. rifle free float tube, drilled and tapped for sling swivel/bipod
*ER SHAW CUSTOM 20” 223 Wylde (5.56 and
.223 OK)Match Grade 416R Stainless Steel Bull Barrel with 1x8
twist. Target Crowned but 1/2'-28 threads are available as an option.
ER Shaw barrels are extremely accurate, high performance barrels with a
long, exceptional reputation for quality.
*.936 low profile steel gas block.
*Rifle Gas Tube.
*Standard forward assist.
*This upper assembly will fit all standard AR 15 lower receivers.