Barrel Lug: Short lug
Battle Sight on RSL: 3
Bayonet Type: Spike
Bayonet Lug: Late, non cut
Bolt Carrier: Late Non-Cut
Gas Tube: Late 2 Piece
Gas Block: Early Late cast
Receiver Cover Takedown: Normal
Rear Sight Block: Uncertain
Serial Number Format: 8 Digits, 25005186
S/N on Components: Last 5 digits
S/N on Stock: 01586
Stock Swivel: /Side/
Trigger Group Type: Late Stamped
(https://s30.postimg.org/4a7oirwil/05186-_1.jpg) (https://postimg.org/image/4a7oirwil/) (https://s30.postimg.org/g5pd9twm5/05186-_10.jpg) (https://postimg.org/image/g5pd9twm5/) (https://s30.postimg.org/jf3sgakpp/05186-_11.jpg) (https://postimg.org/image/jf3sgakpp/)
(https://s30.postimg.org/lxphgz6fx/05186-_12.jpg) (https://postimg.org/image/lxphgz6fx/) (https://s30.postimg.org/jlm2x4j8d/05186-_13.jpg) (https://postimg.org/image/jlm2x4j8d/) (https://s30.postimg.org/51502ao9p/05186-_14.jpg) (https://postimg.org/image/51502ao9p/)
(https://s30.postimg.org/ok4zxwxnh/05186-_2.jpg) (https://postimg.org/image/ok4zxwxnh/) (https://s30.postimg.org/shwv129ul/05186-_3.jpg) (https://postimg.org/image/shwv129ul/) (https://s30.postimg.org/i55z18qxp/05186-_4.jpg) (https://postimg.org/image/i55z18qxp/)
(https://s30.postimg.org/9kcna2grh/05186-_5.jpg) (https://postimg.org/image/9kcna2grh/) (https://s30.postimg.org/lnmkbdh7h/05186-_6.jpg) (https://postimg.org/image/lnmkbdh7h/) (https://s30.postimg.org/xx0zoac0t/05186-_7.jpg) (https://postimg.org/image/xx0zoac0t/)
(https://s30.postimg.org/umcmoem3h/05186-_8.jpg) (https://postimg.org/image/umcmoem3h/) (https://s30.postimg.org/pc7nx41ul/05186-_9.jpg) (https://postimg.org/image/pc7nx41ul/)