This MK111 Mod 2-M Complete Upper from PWS is chambered in 223 Wylde with an 11.85-inch, 1-in-8-inch twist barrel finished in black, assembled and ready to drop onto a compatible AR-15 lower with an optic-ready top rail (PWS part no. MK1M2U22311).

Key Specifications

• Chambers 223 Wylde, which safely runs both .223 Remington and 5.56 NATO ammunition.
• Barrel measures 11.85 inches.
• Rifled with a 1-in-8-inch twist rate.
• Finished in black.
• Sold as a complete upper assembly, ready to install.
• Optic-ready sight configuration, no factory sights included.
• Part of the MK111 Mod 2-M product line.
• Sold as an upper receiver assembly only, so no FFL transfer is required to purchase it by itself.

Frequently Asked Questions

Does this include a bolt carrier group and charging handle? Yes, it’s sold as a complete upper assembly, which includes the barrel, handguard, gas system, bolt carrier group, and charging handle ready to install.

At 11.85 inches, is this barrel length legal to own as shown? An 11.85-inch barrel on a rifle-configured lower would be a short-barreled rifle requiring NFA registration; this upper is intended for a pistol-configured lower or a properly registered SBR.

Buy the PWS MK111 Mod 2-M Complete Upper, 223 Wylde

Build out your AR-15 pistol or registered SBR with this PWS MK111 Mod 2-M 11.85-inch complete upper. Order it from a Lubbock, Texas gun shop, and our AR-15 uppers selection has more complete AR-15 uppers.