ASK AN EXPERTDescription
- Upper Receiver
- Forward Assist
- Ejection Port Door
- Barrel Nut
- 10.5" M4 Profile Barrel and A2 Flash Hider
- Bolt Carrier Group and Charging Handle
The Radical Firearms 10.5" M4 profile 5.56mm 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" RPR 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 | Carbine Length |
| Barrel Profile | M4 Profile |
| Barrel Material | 4140 Chrome Moly Vanadium |
| Barrel Finish | Melonite |
| Muzzle Thread | 1/2x28 |
| Chamber | 5.56mm |
| Twist Rate | 1:7 |
| Barrel Extension | M4 Feed Ramp |
| Gas BlockType | .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 | 10" |
| Charging Handle | MIL-STD |
| Bolt Carrier Group Included | Yes |
| BCG Finish | Nitride |
