Olympic Arms AR-15 A3 Upper Receiver Assembly 223 Remington 20" Barrel Chrome Moly Matte with A2 Handguard
- Upper Receiver Type: A3 Flat-Top
- Barrel Length: 20"
- Barrel Contour: Not listed by manufacturer
- Barrel Material: 4140 Chrome Moly Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: No
- Barrel Finish: Black Matte
- Twist Rate: 1 in 9"
- Chamber: .223 Remington
- M4 Feed Ramps: Yes
- Muzzle Device: A2 Flash Suppressor
- Gas System Length: Rifle
- Gas Block Diameter: .750"
- Handguard: M4 Polymer Handguards
- Sights: A2 Front Sight
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.
- The total weight of the product, including the product’s packaging as it sits on our shelf. Since some products ship directly from the Manufacturer, their weight may be unavailable. Because of variations in the manufacturing process, similar products may have differing weights. Unless the product is designated as “Ships Alone”, Shipping Weight does not include the shipping box or packing materials associated with your order. Shipping Weight: 7.200 Pounds
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