Posted 17 Sep 2016 I have 2 new take of colt Key hole uppers. With "T" marks and M4 feed ramps with M4 stamp by gas tube hole. Very very minor handling marks. $150 shipped each I can send pictures, just email me. I will accept usps money order for payment. Email is best way to get a hold of me, rtonking250@yahoo.com Thank you Ryan. Phoenix, Arizona, United States Share this post Link to post Share on other sites