但是，为了使光学元件和激光器与枪管保持一致，M14步枪的枪托上需要铝制底架来配装这些子系统，从而在不含弹药和SOPMOD附件的情况下占据了系统 ...

Many of you have probably run a SOPMOD stock on your weapon over in Asscrackistan or similar location. It’s a pretty good bet that you really liked it if you did (we’re referring to the ...