The Radical Firearms 5.56 16" SOCOM Complete AR-15 Upper receiver has a SOCOM profile barrel with a mid length gas system and a 15" free float FCR rail system for increased accuracy and keeping your hands cool. The FCR rail features a full length Picatinny rail on top and M-LOK slots on 7 sides allowing the user to attach accessories.
| Barrel Profile | SOCOM |
| Barrel Length | 16" with 1:7 twist |
| Barrel Material | 4140 Chrome Moly Vanadium with Melonite finish |
| Caliber | 5.56mm NATO |
| Handguards | 15" FCR M-LOK |
| Sights | None |
| Gas System | Mid length |
| Muzzle Device | A2 Flash Hider |
| Charging Handle | Forged Mil-Spec Charging Handle |
| Bolt Carrier Group | Nitride Bolt Carrier Group |
