Home DefenseLaw EnforcementNewsRifles Dpms Rfa2-ap4a Patrol Carbine By estaff - Published: December 10, 2007 0 PrintEmailFacebookTwitter This Is A Basic No-nonsense Carbine At A Good Price. A Little Trigger work And The Scope Of Your Choice Backed By The Mangonel Rear Sight would Make It Hard To Beat.