Chiappa AR-15 MFour Gen II Pro Upper Receiver Assembly 22 Long Rifle 18.5" Barrel 7.8" Free Float Handguard, Two 28-Round Magazine
The Chiappa MFour Gen II Rimfire AR-15 Upper Reciever Assembly features a parkerized steel, heavy profile, match barrel. The receiver itself is made from a reinforced, improved polymer that is very similar to aluminum. The polymer receiver provides a strong but extremely lightweight housing for the steel bolt.
The Chiappa MFour Gen II Rimfire AR-15 Upper is economical, reliable, and an excellent choice for introducing young shooters and keeping skills sharp at a lower cost than training with .223/5.56 ammunition. This upper fits any Mil-Spec lower receiver and requires no permanent modification to the host firearm.
- Upper Receiver Type: Modified A3 Flat-Top
- Barrel Length: 18.5"
- Barrel Contour: Heavy
- Barrel Material: Chrome Moly Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: No
- Barrel Finish: Parkerized
- Twist Rate: 1 in 16"
- Chamber: 22 Long Rifle
- M4 Feed Ramps: No
- Muzzle Device: Muzzle Brake
- Gas System Length: None, Blowback
- Gas Block Diameter: N/A
- Handguard: 7.8" Free Float Quad Rail
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: 22 LR Compatible Carrier
- Includes 2 28-Round Magazines
- 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: 6.025 Pounds
- 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. Ships Alone: No
- 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. DOT-Regulated: No
- Product is restricted by shipping carriers and cannot be shipped to certain locations or via certain shipping methods. Carrier Restrictions: No
- Additional shipping charge for HazMat products. Carriers charge extra to ship packages with products they consider hazardous, such as reloading powder and primers. HazMat Product: No
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The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.
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