The Chiappa Firearms M4-22 G2 Upper (brand part no. 500.096) is a complete, ready-to-mount .22 LR upper assembly with a 16-inch barrel and 10-round capacity, sold as a drop-on rimfire conversion for any standard mil-spec AR-15 lower.

Key Specifications

• Chambered in .22 LR.
• Feeds from a 10-round magazine.
• Cut to a 16-inch barrel length.
• Blowback-operated semi-auto bolt system built for rimfire pressures.
• Fits standard mil-spec AR-15 lower receivers.
• Free-float aluminum forend with a Picatinny rail for mounting accessories.
• Steel bolt for durability.
• Sold as a complete, headspaced upper assembly, ready to drop onto a lower.
• Flat-top upper accepts any Picatinny-compatible optic or sight.

Frequently Asked Questions

Will this fit my AR-15 lower? Yes, it is built to fit standard mil-spec AR-15 lower receivers.

What capacity magazine does it use? It feeds from a 10-round magazine.

Does it come ready to mount? Yes, it is sold as a complete, headspaced upper assembly.

Buy the Chiappa M4-22 G2 Upper, .22 LR 16-Inch 10-Round

Order the Chiappa M4-22 G2 Upper from our Lubbock, Texas gun shop for an affordable .22 LR conversion on your AR-15 lower. See the rest of our AR-15 uppers lineup for more upper options.