The Radical Firearms 18 inches Medium Contour 224 Valkyrie AR rifle uses MIL-STD Upper and lower receivers along with our 15 inches MHR free float rail system for increased accuracy, Keeping your hands cool, and giving you plenty of room for accessories. Regardless if it's your first or fiftieth, a Radical Firearms AR rifle will not disappoint.
Features:
- M4 style feed ramp barrel extension
- .750 low profile gas block
- M4 MIL-STD receiver
- MIL-STD charging handle
- MIL-STD fire control group
- Carbine MIL-STD buffer tube