Full metal construction with 4 functioning midcaps; Comes with FCU; According to Polarstar themselves, this is the first Polarstar JACK in a FAL Some of you may have seen this rifle a little while back, but it's being reposted by the original owner due to the last "buyer" actually trying to screw me. PAYPAL only Am willing to trade and I will pay for the cost of shipping if not in the northeast US, will not ship out of country though.