Posted 9 Apr 2017 Lightly used Armalite SPR Mod 1 monolithic upper. - Armalite SPR Mod 1 upper - Colt 14.5" M4 barrel with pinned AAC FH - BCG - Charging Handle $525 shipped. Discreet PayPal plus 3%. racuavera@msn.com Gaithersburg, Maryland, United States Share this post Link to post Share on other sites
