Sale!
Apex HD Upper Receiver
Sale!
Apex HD Upper Receiver
ApexHD(tm) Rifle series beating heart.
Each upper receivers assembled using American made Materials, assembled in the State of Texas.
Parts break down as follows:
- South Texas Arms billet Upper Receiver - 7075T6 aluminum
- South Texas Arms nitride treated steel gas block (optional adjustable gas block)
- South Texas Arms stainless steel gas tube and roll pin
- Your choice of Standard A2 flashhider, or suppressor mount (additional charge).
- Nitride Treated bolt carrier group
- Radian(R) branded Charging Handle
- Nitride treated 4150CM 16" barrel, in 5.56, 300blk
- Griffin Armament RIGID 15" rail - Mlok
- Griffin Armament BUIS included