ASK AN EXPERTDescription
- A2 Flash Hider
- 1:8 Barrel Twist Rate
- Melonite finish
The Radical Firearms 8.5" HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with Radical Firearms 7" FCR free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered.
Warranty Information
| Barrel Length | 8.5" |
| Gas System | Pistol Length |
| Barrel Profile | HBAR Profile |
| Barrel Material | 4140 Chrome Moly Vanadium |
| Barrel Finish | Melonite |
| Muzzle Thread | 5/8x24 |
| Chamber | 300BLK |
| Twist Rate | 1:8 |
| Barrel Extension | M4 Feed Ramp |
| Gas Block Type | .750 Low-profileGas Block |
| Muzzle Device | A2 Flash Hider |
| Upper Receiver Material | Forged 7075 T6 |
| Upper Receiver Style | M4 MIL-STD |
| Upper Receiver Finish | Type IIIAnodizing |
| ForwardAssist | Yes |
| Dust Cover | Yes |
| Handguard Type | Free Float |
| Handguard Style | M-Lok Thin Rail |
| Handguard Length | 7" |
| Charging Handle | MIL-STD |
| Bolt CarrierGroup Included | Yes |
| BCG Finish | Nitride |
