
Usoro nke UC na-ezo aka na ahaziri ahazi, ejiri ọtụtụ ebe Ohiri isi ngọngọ nkeji bọọlụ nwere aka nkwụnye aka. N'ime isi ha bụ bọọlụ nwere oghere dị omimi nke nwere a dayameta mpụta okirikiri (SPB) emebere ka ọ dabara n'ime oghere okirikiri dabara adaba nke ụlọ nkedo. Na-akwado metric akụkụ, A na-ahazi usoro isiokwu a maka ngwa mmepụta ihe na-achọ ikike ibu dị elu, nrụnye kwụ ọtọ, na arụmọrụ a pụrụ ịdabere na ya.
| ISO | UCP311 | |
| Nrụpụta Mba. | UCP311 | |
| Ebe obibi | P311 | |
| Obere dayameta | d | 55 mm |
| Ebe mgbago anya gaa na okirikiri etiti. oche diam | h | 80 mm |
| Ogologo ụlọ | a | 310 mm |
| Ebe dị anya n'ịtinye oghere | e | 236 mm |
| Obosara ụlọ | b | 80 mm |
| Ntụnye oghere oghere | s1 | 20 mm |
| Ogologo oghere nkwụnye | s2 | 38 mm |
| Ogo ụkwụ ụlọ | g | 30 mm |
| Ogologo ụlọ | w | 154 mm |
| Obosara mgbanaka dị n'ime | B | 66 mm |
| Anya ihu akụkụ/ebe etiti | n | 25 mm |
| Nha Bolt | M16 | |
| Ibu ibu | 7,237 n'arọ | |