New Complete flattop upper with Colt M4 Heavy Barrel. The receiver has the keyhole marking and white T numbers. Comes complete with bolt/carrier group, charging handle, side sling swivel and Knight RAS - just as pictured below. The upper is brand new, but does have a couple rub marks on the RAS that you can see in the picture.
Barrel is the Colt Heavy SOCOM with the 203 cut down and stamped "C MP NATO 5.56 1/7".
Asking $675 plus $10 for shipping. Sorry, no trades at this time. For payment I accept Money Orders or PayPal under the e-mail address of firstname.lastname@example.org.
Thanks for looking and please let me know if you have any questions!Barrel is the Military issue 14.5"
The receiver is made by FN, I posted a picture of the forge markings above. As mentioned above, it has the keyhole marking and also a 'F'. The bolt/carrier group is the full-auto Colt; very tough!