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my thesis.. i'm now in final year study in degree of mechanical design&innovation so need to design something new about assault rifle for my country army there is some criterias that i need to fillful. the rifle must 1. for south east asia people 2. shorter than current M-16 but better...

i need another helps.. can anyone tell me how semi auto work? i hav surf internet more than thousands time but i still not find the detail technical drawing for my referrence. i need it for my thesis. i need to design and i could find the best mechanism that i can use as my referrence. what...

greeting all users.. i need another helps.. i would like to know what is the disadvantages/disadvantages of 1) polygonal 2) smoothbore 3) rifle in my thesis i need to design new rifle system for small people xspecially for South East Asia people which: 1) light 2) less maintainance...

i'm a new user in this forum i have problems with my tesis i need helps i would like to know bout: 1) advantages/disadvantages of a) gas system b) recoil system c) blowback system 2) examples for each of them & how they work 3) what is the best system thanks.. :)