16" Medium Contour 6.5 Grendel AR rifle uses MIL-STD Upper and lower receivers along with our 15" RPR 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!

Barrel Length:16"

Barrel Material: 416R

Barrel Finish: Stainless Steel

Barrel Profile: Medium Contour

Barrel Thread Pitch: 5/8x24

Chamber: 6.5 Grendel

Twist Rate: 1:8

Barrel Extension: M4 Feed Ramps

Gas System: Rifle Length

Gas Block Type: .750 Low Profile Gas Block

Muzzle Device: BMD

Upper Receiver Material: Forged 7075 T6

Upper Receiver Style: M4 MIL-STD

Upper Receiver Finish: Type III Anodizing

Forward Assist: MIL-STD

Dust Cover: MIL-STD

Handguard Type: Free Float

Handguard Style: M-Lok Thin Rail

Handguard Length: 15"

Charging Handle: MIL-STD

Lower Receiver: Forged 7075 T6

Lower Receiver Finish: Type III Anodizing

Fire Control Group: MIL-STD STYLE AMBI

Buffer Tube: Carbine MIL-STD

Stock Adjustment: 6 Postion

Stock: B5 BRAVO

Magazine: 15 Round 6.5 Grendel