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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Product ships from MidwayUSA, separate from any other products on your order due to its size. Products that are Shipped Alone incur separate "Per Order" and "Per Pound" shipping charges.
Product is regulated by the US Department of Transportation (DOT) and cannot be shipped via USPS or air shipping methods. DOT-Regulated products must ship UPS Ground.
Product is restricted by shipping carriers and cannot be shipped to certain locations or via certain shipping methods.
Additional shipping charge for HazMat products. Carriers charge extra to ship packages with products they consider hazardous, such as reloading powder and primers.
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