colt model no                                                  name           stock fire control rear sight forward assist  case deflector barrel length barrel profile barrel twist   hand guards bayonet lug          muzzle device
0          r6000                                 ar - 15 sporter (sp1)              a1        s - 1         a1             no              no         20 in             a1         1:12    triangular         yes  type 2 duckbill or a1
1          r6001                 ar - 15 sporter carbine (sp1 carbine)  2nd generation        s - 1         a1             no              no         16 in             a1         1:12  short ribbed         yes                     a1
2          r6002         ar - 15 sporter (sp1 , bundled with 3x scope)              a1        s - 1         a1             no              no         20 in             a1         1:12    triangular         yes                     a1
3          r6420                          ar - 15a2 sporter ii carbine  3rd generation        s - 1         a1            yes        no & yes         16 in             a1          1:7  short ribbed         yes                     a2
4          r6430                            sporter lightweight (9 mm)              a2        s - 1         a1             no       removable         16 in             a1         1:10  short ribbed         yes                     a1
5          r6450                                  ar - 15 9 mm carbine  3rd generation        s - 1         a1             no  no & removable         16 in             a1         1:10  short ribbed         yes                     a1
6          r6500                                  ar - 15a2 sporter ii              a2        s - 1         a1            yes        no & yes         20 in             a2          1:7        ribbed         yes                     a2
7          r6520                          ar - 15a2 government carbine  3rd generation        s - 1         a2            yes             yes         16 in             a1          1:7  short ribbed         yes                     a2
8          r6530                               sporter lightweight 223  3rd generation        s - 1         a2            yes             yes         16 in             a1          1:7  short ribbed          no                     a2
9          r6550                                  ar - 15a2 government              a2        s - 1         a2            yes             yes         20 in             a2          1:7        ribbed         yes                     a2
10       r6550cc  ar - 15a2 government (w / factory camouflage finish)              a2        s - 1         a2            yes             yes         20 in             a2          1:7        ribbed         yes                     a2
11         r6551                                        sporter target              a2        s - 1         a2            yes             yes         20 in             a2          1:7        ribbed          no                     a2
12         r6600                                        ar - 15a2 hbar              a2        s - 1         a2            yes             yes         20 in           hbar          1:7        ribbed         yes                     a2
13         r6601                                    sporter match hbar              a2        s - 1         a2            yes             yes         20 in           hbar          1:7        ribbed          no                     a2
14         r6700                              sporter competition hbar              a2        s - 1    flattop            yes             yes         20 in           hbar          1:9        ribbed          no                     a2
15         r6721                            ar - 15a3 tactical carbine  4th generation        s - 1         a2            yes             yes         16 in           hbar          1:9  short ribbed         yes                     a2
16         r6724                              sporter competition hbar              a2        s - 1    flattop            yes             yes         24 in           hbar          1:9        ribbed          no                     a2
17         r6731                            ar - 15a3 competition hbar              a2        s - 1         a2            yes             yes         16 in           hbar          1:9  short ribbed          no                     a2
18         r6750          sporter competition hbar (bundled w / bipod)              a2        s - 1         a2            yes             yes         20 in  super - heavy          1:7        ribbed          no                     a2
19         r6821                          sporter carbine (7.62x39 mm)  3rd generation        s - 1         a2            yes             yes         16 in           hbar         1:12  short ribbed          no                     a1

Table as JSON:
{"colt model no":{"0":"r6000","1":"r6001","2":"r6002","3":"r6420","4":"r6430","5":"r6450","6":"r6500","7":"r6520","8":"r6530","9":"r6550","10":"r6550cc","11":"r6551","12":"r6600","13":"r6601","14":"r6700","15":"r6721","16":"r6724","17":"r6731","18":"r6750","19":"r6821"},"name":{"0":"ar - 15 sporter (sp1)","1":"ar - 15 sporter carbine (sp1 carbine)","2":"ar - 15 sporter (sp1 , bundled with 3x scope)","3":"ar - 15a2 sporter ii carbine","4":"sporter lightweight (9 mm)","5":"ar - 15 9 mm carbine","6":"ar - 15a2 sporter ii","7":"ar - 15a2 government carbine","8":"sporter lightweight 223","9":"ar - 15a2 government","10":"ar - 15a2 government (w \/ factory camouflage finish)","11":"sporter target","12":"ar - 15a2 hbar","13":"sporter match hbar","14":"sporter competition hbar","15":"ar - 15a3 tactical carbine","16":"sporter competition hbar","17":"ar - 15a3 competition hbar","18":"sporter competition hbar (bundled w \/ bipod)","19":"sporter carbine (7.62x39 mm)"},"stock":{"0":"a1","1":"2nd generation","2":"a1","3":"3rd generation","4":"a2","5":"3rd generation","6":"a2","7":"3rd generation","8":"3rd generation","9":"a2","10":"a2","11":"a2","12":"a2","13":"a2","14":"a2","15":"4th generation","16":"a2","17":"a2","18":"a2","19":"3rd 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","8":"s - 1","9":"s - 1","10":"s - 1","11":"s - 1","12":"s - 1","13":"s - 1","14":"s - 1","15":"s - 1","16":"s - 1","17":"s - 1","18":"s - 1","19":"s - 1"},"rear sight":{"0":"a1","1":"a1","2":"a1","3":"a1","4":"a1","5":"a1","6":"a1","7":"a2","8":"a2","9":"a2","10":"a2","11":"a2","12":"a2","13":"a2","14":"flattop","15":"a2","16":"flattop","17":"a2","18":"a2","19":"a2"},"forward assist":{"0":"no","1":"no","2":"no","3":"yes","4":"no","5":"no","6":"yes","7":"yes","8":"yes","9":"yes","10":"yes","11":"yes","12":"yes","13":"yes","14":"yes","15":"yes","16":"yes","17":"yes","18":"yes","19":"yes"},"case deflector":{"0":"no","1":"no","2":"no","3":"no & yes","4":"removable","5":"no & removable","6":"no & yes","7":"yes","8":"yes","9":"yes","10":"yes","11":"yes","12":"yes","13":"yes","14":"yes","15":"yes","16":"yes","17":"yes","18":"yes","19":"yes"},"barrel length":{"0":"20 in","1":"16 in","2":"20 in","3":"16 in","4":"16 in","5":"16 in","6":"20 in","7":"16 in","8":"16 in","9":"20 in","10":"20 in","11":"20 in","12":"20 in","13":"20 in","14":"20 in","15":"16 in","16":"24 in","17":"16 in","18":"20 in","19":"16 in"},"barrel profile":{"0":"a1","1":"a1","2":"a1","3":"a1","4":"a1","5":"a1","6":"a2","7":"a1","8":"a1","9":"a2","10":"a2","11":"a2","12":"hbar","13":"hbar","14":"hbar","15":"hbar","16":"hbar","17":"hbar","18":"super - heavy","19":"hbar"},"barrel twist":{"0":"1:12","1":"1:12","2":"1:12","3":"1:7","4":"1:10","5":"1:10","6":"1:7","7":"1:7","8":"1:7","9":"1:7","10":"1:7","11":"1:7","12":"1:7","13":"1:7","14":"1:9","15":"1:9","16":"1:9","17":"1:9","18":"1:7","19":"1:12"},"hand guards":{"0":"triangular","1":"short ribbed","2":"triangular","3":"short ribbed","4":"short ribbed","5":"short ribbed","6":"ribbed","7":"short ribbed","8":"short ribbed","9":"ribbed","10":"ribbed","11":"ribbed","12":"ribbed","13":"ribbed","14":"ribbed","15":"short ribbed","16":"ribbed","17":"short ribbed","18":"ribbed","19":"short ribbed"},"bayonet lug":{"0":"yes","1":"yes","2":"yes","3":"yes","4":"yes","5":"yes","6":"yes","7":"yes","8":"no","9":"yes","10":"yes","11":"no","12":"yes","13":"no","14":"no","15":"yes","16":"no","17":"no","18":"no","19":"no"},"muzzle device":{"0":"type 2 duckbill or a1","1":"a1","2":"a1","3":"a2","4":"a1","5":"a1","6":"a2","7":"a2","8":"a2","9":"a2","10":"a2","11":"a2","12":"a2","13":"a2","14":"a2","15":"a2","16":"a2","17":"a2","18":"a2","19":"a1"}}