13.75 Wonder Upper

The 13.75 Wonder Upper provides a beautiful balance between utility and luxury. It features our Renegade Rail with patented heat sink barrel nut, roller cam pin, Strike Eagle ambidextrous charging handle, and features a muzzle brake. The Dead Air KeyMo Muzzle Brake is pinned and welded to make the barrel 16.1" in overall length. The Blue Titanium Cerakote not only provides protection these Wonder Uppers from the elements; it also ensures you’ll stand out at the range or in the field.

13.75 Wonder Upper - 5.56 NATO Features:

• Chambered in 5.56X45 NATO.
• 13.75" Barrel, Black Nitride Heat Treated, 4150 CrMoV Steel, 1-8 Twist, 5R Right Hand Lands & Grooves, & 1/2X28 Muzzle Threads.
• Mid-Length Gas System with Low Profile Gas Block.
• 13" Renegade Rail System.
• Pinned and Welded Dead Air KeyMo Muzzle Break.
• M4 Feed ramps.
• 0.250" Diameter Takedown Pin Holes.
• Includes U.S. Flag ejection port cover.
• Aluminum Billet Forged Upper Receivers.
• Mil-Spec Bolt Carrier Group with a Roller Cam Pin.
• Ambidextrous Strike Eagle Charging Handle.
• Finish: Blue Titanium Cerakote.
• Compatible with all Mil-spec AR Lower Receivers.

WARNING - POF-USA WILL NOT ACCEPT ANY ORDERS FOR SHORT BARRELED UPPER RECEIVERS TO RESTRICTED STATES, SUCH AS: CALIFORNIA.

NOTE: ALL UPPERS ARE BUILT TO ORDER.