Small Frame Carbine Upper Receivers
Our base level carbine upper receiver includes:
- Aero Precision M4E1 Enhanced Upper
- Aero Precision AR15 Enhanced 12.7″ Handguard
- PBA 16″ Mid-Length Government Profile Barrel, 5.56 NATO
- Fixed Low-Profile Gas Block
- PBA Enhanced Phosphate BCG
- Mil-Spec Charging Handle
- A2 Flash Hider
Our mid-tier carbine upper receiver includes the following upgrades over our EM model:
- PBA Enhanced Chrome BCG
- Radian Raptor Charging Handle
- Forward Controls Design Low Drag Forward Assist
Our premium carbine upper receiver includes the following upgrades over our FC model:
- Criterion 16″ Mid-Length Hybrid Chrome-Lined Barrel, .223 Wylde
- PBA Enhanced DLC BCG
- Superlative Arms Adjustable Gas Block
- Precision Armament HYPERTAP Compensator
- BCM Mod 0 Vertical Foregrip