RIFLE: KEL-TEC MODEL RDB, SERIAL NUMBER 26Z0586, BLACK (MATTE), YES - INCLUDES ORIGINAL BOX AND PAPERS, SEMI - AUTOMATIC, 223 REMINGTON, 17.40" Notes: Kel-Tec, Rifle Downward-eject Bullpup, Semi-automatic, 223 Remington/5.56 NATO, 17" Barrel, Black Finish, Fixed Stock, 20Rd Warning Bullpup Design Downward Shell Ejection Ambidextrous Excellent Suppressor Host Product Description The RDB is the new definition of bullpup. Its downward shell ejection system eliminates the side ejection disadvantage of ordinary bullpups. The result is brass and gas that eject out of your line of sight making it a truly ambidextrous, high performance rifle for everyone. The RDB is also adjustable for a wide variety of ammunition and makes for an excellent suppressor host. It's definitely the bullpup done right. Specifications UPC 640832005943 Manufacturer Kel-Tec Manufacturer Part # RDBBLK Model RDB Action Semi-automatic Caliber 223 Remington Caliber 556NATO Barrel Length 17" Color Black Grips Polymer Capacity 20 Rounds Subcategory Bullpups Stock Polymer