Amaketanga angu-20A-1/20B-1 womabili awuhlobo lweketanga eligoqekayo, futhi ahluka kakhulu ngobukhulu obuhlukile kancane. Phakathi kwawo, iphimbo elijwayelekile leketanga lika-20A-1 lingu-25.4 mm, ububanzi beshaft bungu-7.95 mm, ububanzi bangaphakathi bungu-7.92 mm, kanti ububanzi bangaphandle bungu-15.88 mm; kuyilapho iphimbo elijwayelekile leketanga lika-20B-1 lingu-31.75 mm, kanti ububanzi beshaft bungu-10.16 mm, ububanzi bangaphakathi bungu-9.40mm kanye nobubanzi bangaphandle bungu-19.05mm. Ngakho-ke, lapho ukhetha la maketanga amabili, udinga ukukhetha ngokwesimo sangempela. Uma amandla okufanele adluliselwe emancane, isivinini siphezulu, futhi isikhala sincane, ungakhetha iketanga lika-20A-1; uma amandla okufanele adluliselwe emaningi, isivinini siphansi, futhi isikhala sanele, ungakhetha iketanga lika-20B-1.
Isikhathi sokuthunyelwe: Agasti-24-2023