POF-USA Super Rare 12.5” C.R.O.S. Upper Receiver in 5.56mm NATO

POF-USA Super Rare 12.5” C.R.O.S. Upper Receiver in 5.56mm NATO

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                                                  POF-USA Super Rare 12.5” C.R.O.S Upper Receiver in 5.56mm

This is a Super RARE item from my personal collection. Several years back Frank (POF-USA) produced hand full of these badd ass uppers. It was one time only limited production run. They are by far the best and the finest vintage upper you will find from POF-USA. 12.5” gives the 5.56mm the range and the velocity many of the shorter barrel uppers do not have. This is one of the last C.R.O.S. uppers that POF-USA produced. C.R.O.S (Corrosion Resistance Operating System) BCG, gas plug, charging handle, gas piston was all coated with the RoBar NP3. Inside of the upper receiver received very special treatment and coating. Combining with huge heat sink barrel nut these uppers offer SUPERIOR no cleaning no lubrication system, run cool performance. Super cool AK style POF-USA brake came with them uppers. We have run them uppers for years and they are absolutely one of the best! Like NIB Condition with less then 50 rounds on it. Buy with total confidence as you will not be disappointed. 

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