勃朗宁M1918A2自动步枪是M1918系列自动步枪的最后一款改进型,于1939年定型,1940年装备部队。该枪采用长行程活塞导气式自动原理,枪机偏移式闭锁机构,开膛待击。M1918A2最主要的改进是取消了单发发射功能,即只能连发发射,并在枪托内安装了一个降低射速的缓冲装置,可通过快慢机杆选择两种不同的连发射速。当快慢机杆位于“F”档时,为300～450发/分的低射速;位 Browning M1918A2 automatic rifle is the last of the M1918 series automatic rifle improved version, set in 1939, 1940, equipped with units. The gun uses a long stroke piston air guide automatic principle, bolt offset locking mechanism, opened to be hit. M1918A2 the most important improvement is the cancellation of the single launch function, which can only launch firing, and in the butt was installed to reduce the rate of fire buffer device, you can choose from the speed lever two different continuous firing rate. When the speed of the rod is located in the “F” file, for the 300 ~ 450 rounds / min low rate of fire; bit