For sale only, not looking for trades Brand New Unity Flip-to-Center (FTC) 4X magnifier. Bought it for an AR I no longer own. Yours for a substantial savings. $525. These things sell for over $650 if you buy online. I will ship on your dime. You can text me at seven 5 7 seven 7 4 two 0 one one. I will send you pics.