ASK AN EXPERTDescription
- Melonite Coated with a 1:8" Twist Rate
- Threaded 5/8x24 TPI with A2 Flash Hider
- M4 Feed Ramps
- Low-Profile Gas Block
- Forged Aluminum Flat-Top Upper Receiver
- Forward Assist, Shell Deflector and Dust Cover
- Forged Radical Firearms Aluminum Lower Receiver
- MIL-STD Fire Control Group
- Nine-Inch, RF Free-Float MHR Handguard with Full-Length Picatinny Top Rail
- SB Tactical SBA3 Five-Position Adjustable Pistol Brace
The Radical Firearms 10.5" Hbar Contour 300BLK AR pistol uses MIL-STD Upper and lower receivers along with 9" MHR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories.
Warranty Information
| Caliber | 300 Blackout |
| Magazine | 30 Round |
| Barrel Length, in | 10.5" |
| Barrel Material | 4140 Chrome Moly Vanadium |
| Barrel Finish | Melonite |
| Barrel Profile | Hbar |
| Barrel Thread Pitch | 5/8x24 |
| Twist Rate | 1:8 |
| Barrel Extension | M4 Feed Ramps |
| Gas System | Pistol Length |
| Gas Block Type | .750 Low Profile Gas Block |
| Muzzle Device | A2 Flash Hider |
| Upper Receiver Material | Forged 7075 T6 |
| Upper Receiver Style | M4 MIL-STD |
| Upper Receiver Finish | Type III Anodizing |
| Forward Assist | Yes |
| Dust Cover | Yes |
| Handguard Type | Free Float |
| Handguard Style | M-lok Hybrid Rail |
| Handguard Length, in | 9" |
| Charging Handle | MIL-STD |
| Lower Receiver | Forged 7075 T6 |
| Lower Receiver Finish | Type III Anodizing |
| Safety | MIL-STD STYLE AMBI |
| Fire Control Group | MIL-STD |
| Buffer Tube | Carbine Buffer Tube |
| Pistol Brace | SB-TACTICAL SBA3 |
