Every 223 WYLDE Upper we sell can be configured to your specifications. Customize your .223 WYLDE Complete Upper with an optic, muzzle device, rail, bolt carrier group, magazine, or charging handle from our matched selection. Your 223 WYLDE AR 15 Upper Receiver will arrive turn-key and ready to shoot out of the box.

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The 223 WYLDE chamber was developed to allow both 223 Remington and 556 NATO ammunition to be fired safely. This makes 223 WYLDE Uppers among the most versatile available on the AR platform.

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.223 WYLDE Uppers For Sale

What Are 223 Wylde Uppers?

223 Wylde upper receivers have a barrel that is a designed to fire both 5.56 NATO and .223 Remington ammunition. The 223 Wylde chamber offers a more accurate alternative for 223/556 shooters on the AR-15 platform.

What Types of Ammunition Can 223 Wylde Upper Receivers Fire?

Due to the size and shape of the chamber on the 223 Wylde Upper Receivers, they can fire both .223 Remington and 5.56 NATO rounds.

How Accurate is a 223 Wylde Upper Receiver?

The 223 Wylde upper receiver is a fantastic barrel combination for your AR-15 rifle platform, boasting a ½ MOA accuracy with both 223 Remington and 5.56 NATO.

What is the Advantage of 223 Wylde Upper Receiver over a Designated 5.56 Rifle?

A military-spec 5.56 NATO round develops chamber pressures of 58,000 PSI, well above the pressure of the civilian 223 Remington round. Firing a 5.56 NATO round out of a barrel designed to only handle .223 pressures could be catastrophic. With a 223 Wylde upper receiver, you can fire both 223 Remington and 5.56 NATO rounds without concern.

What BCG do I use with a 223 Wylde Upper?

223 Wylde Uppers use the standard 223/556 Bolt Carrier Group (BCG).

What Magazine do I use with a 223 Wylde Upper?

223 Wylde Uppers use the standard 223/556 Magazine.

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