Jeff & Peter's homeland defense project

It was a bright cold day in Aprilmay, Marie sat on the heavily damaged sofa. the entire colony degenerates into a mess since the last raid. They simply lack enough firepower, she looked at the drawings on the floor. "The colony must be defended for our children's future." That's what her husband always say, but how? The generators are back on line, and the television went alive:
“Jeff & Peter's solution to gas operation age colony defense. Just like the ancient warriors of CIDG. Defend your hometown with the automatic M2 carbines, lay down suppressing fire with the two BARs alternating fire at the enemy, and hurl grenade at your enemy with your CE grenade launcher! If the .30 carbine logistic worries you or you have extra hands, you can also stay with the venerable M1 garand + BAR formation. Just like the ancient times! Contact us to learn more. Orbital number 110-120-12339.”
Marie leaned back on the sofa, that's something new, maybe the tactics mentioned can really help the colony, so she stood up, rejoined the disabled wire, before opening the comms console and entered the orbital number.
List of weapons:
M1 Garand (.30-06 rifle)
M2 Carbine (.30 automatic carbine)
Browning Automatic Rifle (.30-06 Machine gun)
=============================== New Update ================================================
Browning M1919A6 (.30-06 Machine gun) in both mounted and standalone versions
M1919A6 provides incredible firepower due to it's 250 round belt, however, it's bulk and mass means that it is more useful as a fixed weapon than a light machine gun
M3A1 Greaser Gun (.45 ACP SMG)
Regular Submachine gun, unfortunately 30 rnd mags are not available, so there're only 25 rounds versions available. Replaces Vanilla Heavy SMG
M1D Garand (.30-06 marksman rifle)
A marksman rifle, good to bring for accurate firepower.
Additional squad info-graphics