JP Enterprises AR-15 Dual Charge A4 Upper Receiver Assembly 223 Remington 18" Barrel
- Upper Receiver: Billet A4 Flat-Top, Dual Charging Handles
- Barrel Length: 18"
- Barrel Contour: Lightweight
- Barrel Material: 416 Stainless Alloy, Button Rifled, Cryogenically Treated
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: No
- Barrel Finish: Stainless Steel
- Twist Rate: 1 in 8"
- Chamber: 223 Wylde
- Bolt Carrier: LMOS Low Mass Carrier
- M4 Feed Ramps: Yes
- Muzzle Device: JP Compensator
- Gas System Length: Rifle
- Gas Block Diameter: 0.750"
- Handguard: JP Modular Free Float Handguard 15.5"
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: Mil-Spec
- Extras: Silver Thermal Dissipator, Low-Profile Adjustable Stainless Gas Block
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.
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