You didn't read my post clearly! I only catch the word (QCB - post#16) only and not sniper rifles! (Read it again, and don't mislead others as I didn't talk sinper guns!) But I suppose when mentioned 50 cal. machine guns most of you (some soilders here) do understand we are talking about those M2HB machine gun! Because, the term (QCB) apply clearly described on these MACHINE guns! Of course, the F88, M249 I used or even some of you guys also shoot before are also defined (QCB) rifle as well, but the definition mainly concern modularity in military application aspects, the reason is I never be stupid to bring two either long or cabine rifle barrels into the field at the same time unlike aboved-mentioned 50 cal. (specific purpose ie. burst; heat up and replace ), small bore rifles require barrel changing only account on pre-assume tecitical condition; whereas Masada rifle based on modular co-ordination concept for time and cost concern. Which this concept will be in US mil-spec. tender condition in future weapons. However, CHing you mentioned....."不過師兄你唔講都唔覺有機槍係用free floating....少之又少..........fixed barrel machine gun????......" Infact, I don't catch your meaning! If not floating design! It should be fix barrel type then? And you ask me back what is fix barrel
Well, I truely don't know and I need your advice Ching. Thx.
Note: some M249 do need extra barrel for (squarding) burst purpose. BTW: M2 machine gun are famous for long time and a lot of people knew her existance, most of western world use M2 type! M2 and M249 are very common weapon! And they both are free float as well. The term free float I associated actually within definition of floating barrel design because torque transfer are minimial into the barrel via handguard and gas regulator system, QCB are floating design and process free floating charactistic, don't just listen to people said this is right and that is wrong! Understand the overall structure of the weapon in determine the barrel system. ie. floating post little stress along the barrel. So what do you mean 少之又少??? Do you understand what floating in engineering sense? Did you read any previous posted link reference! It clearly said there.
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本帖最後由 rho837 於 23-1-2010 19:22 編輯 ]
