V Seven Gi Heavy 556/223 Complete Upper 16in 16HR GI-UR

V Seven Gi Heavy 556/223 Complete Upper 16in 16HR GI-UR. I. Heavy GI-series complete upper assemblies are machined with an enhanced lightweight one-piece bolt carbine profile. The uppers are full auto style so the only carbine components you need to change out are the standard front and rear grippers. This complete upper includes the GI Heavy profile bolt carbine buffer carrier assembly forward assist with ejection port cover bolt carrier key and forward assist gas port cover gas adjustment scre