Hi I have a Brand new Colt A3 flat top upper (no T#or M4 feed ramps) With a 14.5 In Chrome Lined MP tesed Bushmaster HB with a 1/9.twist. With a Pined Smith Vortex to bring to !6in. Upper is comeplete With a Colt Chargeing handle and a Colt MP tesed bolt and Carrier. It comes with a LMT rear BUIS & Standered Bushmaster hand gards W/liner. Just drop onto your lower. Shipped $SPFChecks M/O or Paypal +3%. For pictures email me at firstname.lastname@example.org. Or Im me here.