Maintain an M249 Machine Gun Reviews
Barrel Group
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&pageText=The sixth step in the assembly of the M249 machine gun involves placing the barrel group back on the receiver group, by:& &label1=Insert gas regulator and gas regulator collar& &label2=Align the gas regulator with the gas cylinder and lock barrel& &label3=Replace the heat shield& &popText1=Insert the gas regulator into the gas block and align the notch on the gas regulator with the notch of the gas block. With the gas regulator already installed and supported on a firm surface, place the gas regulator collar onto the protruding end of the body and align the spring with the stud. Push the gas regulator collar downward firmly and rotate it until it slips into place. Then, press it in and rotate it to lock it in place.& &popText2=Depress the barrel-locking lever to the rear with your left hand, while holding the carrying handle with your right hand. Pull the barrel rearward and push downward; align the gas regulator with the gas cylinder and lock it by releasing the barrel-locking lever. Check the barrel to ensure it is locked into the receiver by pulling or lifting on the carrying handle.& &popText3=Replace the heat shield by placing the hook end of the heat shield under the front sight post and press down until the clamps lock on the barrel. This completes the assembly of the barrel group. Click the Next button to continue.&