All handguns are required to ship via 2nd day. Please be sure to choose the correct shipping. If you select anything other than 2nd day your order will be cancelled.

The Radical Firearms 10.5" M4 Profile 5.56mm AR Pistol uses MIL-STD Upper and lower receivers along with our 10" 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 pistol will not disappoint!

Barrel Length: 10.5"

Barrel Material: 4140 Chrome Moly Vanadium

Barrel Finish: Melonite

Barrel Profile: M4

Barrel Thread Pitch: 1/2X28

Chamber: 5.56mm

Twist Rate: 1:7

Barrel Extension: M4 Feed Ramps

Gas System: Carbine Length

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: MIL-STD

Dust Cover: MIL-STD

Handguard Type: Free Float

Handguard Style: M-Lok Thin Rail

Handguard Length: 10"

Charging Handle: MIL-STD

Lower Receiver: Forged 7075 T6

Lower Receiver Finish: Type III Anodizing

Safety: MIL-STD

Fire Control Group: MIL-STD

Buffer Tube: Pistol Tube

Magazine: 5.56 30 Round
 

Please check your local laws for restrictions before ordering firearms. 

IMPORTANT: You must include your FFL's name and phone number in the comment section before you click "Place My Order".

• Handguns must be shipped via 2nd Day Air. You do not need to select 2nd Day Air during checkout, You can choose any shipping option for long guns.
• You will receive an order confirmation e-mail with your order number. If you do not receive an email order status update within two business days after placing your order, please give us a call at 1-800.852.6088.
• Contact your FFL to arrange pickup of your firearm.
• Ammunition and firearms must be shipped separately
• Once the transfer of the firearm is complete, the manufacturer's warranty is in effect
• Firearms are non-returnable

Firearm Restrictions:

• California: Handguns must be on Approved List. Assault weapons must be CA Approved.
• Connecticut: No Semi-Auto Rifles
• Maryland: Firearms sales only to Class 01 FFL Dealer. Varying restrictions on Assault Weapons
• Massachusetts: No Handguns, Varying restrictions on Assault Weapons
• New Jersey: Firearms sales only to Class 01 FFL Dealer. Varying restrictions on Assault Weapons
• New York: No Assault Weapons, No Handguns (NYC)
• Washington D.C.: No Firearms

High Capacity Magazine Restrictions: 
High capacity magazines are not legal in all areas of the U.S. Please be aware of your local laws before ordering. It is the customer's responsibility to comply with all laws regarding these items.