ASK AN EXPERTDescription
- 10.5" 41V50 chrome moly vanadium steel barrel with Melonite finish
- Chambered in 300 BLK with 1:8 twist rate
- 5/8x24 thread pitch A2 flash hider
- 10" free float Radical Firearms Quad Rail
- Made in the U.S.A. in Stafford, Texas!
The Radical Firearms 10.5in 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 10" FQR 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 | 10.5" |
| 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-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 | Quad Picatinny Rail |
| Handguard Length | 10" |
| Charging Handle | MIL-STD |
| Bolt Carrier Group Included | Yes |
| BCG Finish | Nitride |
