colt model no                     name           stock fire control rear sight forward assist barrel length barrel profile barrel twist   hand guards bayonet lug muzzle device
0        le1020       gas piston carbine  4th generation        s - 1    flattop            yes         16 in             m4          1:7   rail system         yes            a2
1        le1033      gas piston commando  4th generation        s - 1    flattop            yes       11.5 in             a2          1:7   rail system         yes            a2
2      le6920hb  law enforcement carbine  4th generation        s - 1    flattop            yes         16 in        m4 hbar          1:7            m4         yes            a2
3        le6921             m4le carbine  4th generation        s - 1    flattop            yes       14.5 in             m4          1:7            m4         yes            a2
4     le6921cqb             m4le carbine  4th generation        s - 1    flattop            yes       10.5 in        m4 hbar          1:7            m4         yes            a2
5      le6921hb             m4le carbine  4th generation        s - 1    flattop            yes       14.5 in        m4 hbar          1:7            m4         yes            a2
6      le6921sp             m4le carbine  4th generation        s - 1    flattop            yes         10 in        m4 hbar          1:7            m4         yes            a2
7        le6933            m4le commando  4th generation        s - 1    flattop            yes       11.5 in             a2          1:7  short ribbed         yes            a2

Table as JSON:
{"colt model no":{"0":"le1020","1":"le1033","2":"le6920hb","3":"le6921","4":"le6921cqb","5":"le6921hb","6":"le6921sp","7":"le6933"},"name":{"0":"gas piston carbine","1":"gas piston commando","2":"law enforcement carbine","3":"m4le carbine","4":"m4le carbine","5":"m4le carbine","6":"m4le carbine","7":"m4le commando"},"stock":{"0":"4th generation","1":"4th generation","2":"4th generation","3":"4th generation","4":"4th generation","5":"4th generation","6":"4th generation","7":"4th generation"},"fire control":{"0":"s - 1","1":"s - 1","2":"s - 1","3":"s - 1","4":"s - 1","5":"s - 1","6":"s - 1","7":"s - 1"},"rear sight":{"0":"flattop","1":"flattop","2":"flattop","3":"flattop","4":"flattop","5":"flattop","6":"flattop","7":"flattop"},"forward assist":{"0":"yes","1":"yes","2":"yes","3":"yes","4":"yes","5":"yes","6":"yes","7":"yes"},"barrel length":{"0":"16 in","1":"11.5 in","2":"16 in","3":"14.5 in","4":"10.5 in","5":"14.5 in","6":"10 in","7":"11.5 in"},"barrel profile":{"0":"m4","1":"a2","2":"m4 hbar","3":"m4","4":"m4 hbar","5":"m4 hbar","6":"m4 hbar","7":"a2"},"barrel twist":{"0":"1:7","1":"1:7","2":"1:7","3":"1:7","4":"1:7","5":"1:7","6":"1:7","7":"1:7"},"hand guards":{"0":"rail system","1":"rail system","2":"m4","3":"m4","4":"m4","5":"m4","6":"m4","7":"short ribbed"},"bayonet lug":{"0":"yes","1":"yes","2":"yes","3":"yes","4":"yes","5":"yes","6":"yes","7":"yes"},"muzzle device":{"0":"a2","1":"a2","2":"a2","3":"a2","4":"a2","5":"a2","6":"a2","7":"a2"}}