Chiappa M4-22 Pro Gen II Conversion Complete Upper Assembly for AR, .22LR, 16″ Barrel $399.95

Chiappa M4-22 Pro Gen II Conversion Complete Upper Assembly for AR, .22LR, 16″ Barrel $399.95

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The Chiappa MFour Gen II Rimfire AR-15 Upper Receiver Assembly is ready to convert any standard AR-15 into a rimfire carbine for reduced cost practice, training, or introducing new shooters to the most popular rifle in America. The Chiappa MFour Gen II is a dedicated rimfire upper receiver features an 16″ barrel with a Flat-Top upper receiver and free float handguard. The free float handguard provides a continuous top rail and full length Picatinny rails at the 3, 6, and 9 o’clock postions. This enables users to mount any accessories they use on their centerfire upper which helps when using the MFour Gen II Upper for training purposes.

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.

Comes standard with: two 10 round magazines, pseudo bayonet lug, flash hider, forward assist, bolt release, interchangeable MIL-SPEC forearm, functioning dust cover, and adjustable sights

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Model: 500.096
Upper Receiver Type: Modified A3 Flat-Top
Barrel Length: 16″
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: 11.8″ Free Float Quad Rail
Sights: None
Includes 2 10-Round Magazines
SKU RIFLE:Chiappa Upper Rec. 11.8″ 22LR G
Manufacturer Chiappa
Manufacturer Part # 500.096

* Stock image may be displayed. Actual product may not be exactly as shown.

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