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Mil-spec Upper Receiver

July 3, 2024
This receiver features a continuous 1913 Picatinny top rail and comes with a U.S. Flag laser engraved ejection port cover and forward assist installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M-16/M4 specifications and features M4 feed ramps. POF-USA builds all Minuteman, Wonder, and Renegade+ rifles using this upper receiver.
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Minuteman 350 Legend Upper

March 25, 2022
Theses uppers are our twist on what a direct impingement straight walled cartridge chambered barreled upper should be. Mount your favorite optic and it is ready for the range or the field right out of the box. We think you’ll be impressed.
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Minuteman Upper

June 4, 2020
Minuteman Uppers are our twist on what a direct impingement barreled upper should be. Mount your favorite optic and this upper is ready for the range or the field right out of the box. We think you’ll be impressed.
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Renegade Plus 300BLK Upper

June 4, 2020
When we decided to make a 300 Blackout Upper, it couldn’t be another “me-too” upper receiver. The Renegade + 300 Blackout Upper embodies everything a direct impingement AR can be. Put simply, the Renegade Plus addresses all of the weak points of the direct impingement system.
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Renegade Plus Upper

June 4, 2020
The Renegade + upper addresses weak points of the direct impingement (DI) system. Platform advancements such as our roller cam pin and heat sink barrel nut go above aesthetics often found in DI uppers today. The Dictator gas block gives you control of your gas system when tuning for suppressor use.
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Wonder Uppers

September 22, 2022
These uppers provide a beautiful balance between utility and luxury. They feature our Renegade Rails with patented heat sink barrel nut, roller cam pin, Strike Eagle ambidextrous charging handle, and features a muzzle brake. Chambered in 5.56x45 NATO and 300 Blackout, and available in 10.5", 13.75", and 16.5" barrel lengths.
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Direct Impingement

When POF-USA decided to make direct impingement rifles, they couldn’t just be another “me-too” carbine. Our direct impingement uppers embody everything a direct impingement AR-15 type carbine can be. With improvements such as our roller cam pin and patented heat sink barrel nut, these upgrades go well above mere aesthetics often found in rifles today.

All Direct impingement upper receivers are compatible with Mil-spec AR-15 lower receivers.

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