13.75 Wonder 300BLK Upper

The 13.75 Wonder 300BLK Upper Blackout, 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 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" 300 Blackout Pin and Weld Upper:

• Chambered in 300 Blackout.
• 13.75" Premium Barrel — Black Nitride Heat Treated, 4150 CrMoV Steel, 1-7 Twist, 5R Right Hand Lands & Grooves, & 5/8X24 Muzzle Threads.
• Pistol Length Gas System with Black Nitride Low Profile Non-adjustable Gas Block.
• 13" Aluminum Renegade Rail System with Continuous 12 O-clock Picatinny Rail, MLOK Slots, and 4 QD Attachment Points.
• Pinned and Welded Dead Air Keymo Muzzle Break.
• Aluminum Billet Forged Upper Receivers.
• Premium Black Nitride Mil-Spec Bolt Carrier Group with a Roller Cam Pin.
• Ambidextrous Strike Eagle Charging Handle.
• Finish: H-185 Blue Titanium Cerakote.

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