Canisters of propane and oxygen fuel the four disabled .50-caliber machine guns atop a restored M-16 halftrack that rolled across Europe with American forces during World War II but now resides in a private collection tucked into a hillside in Stow.
A pull of the trigger brings staccato blasts echoing the firepower American GIs used to shoot down German aircraft roughly 70 years ago.
“To see something like this going down the road firing four .50-caliber machine guns is downright startling,” said Hunter Chaney, director of marketing at the Collings Foundation, which is hosting an elaborate World War II reenactment this weekend on its property in Stow.
“The Battle for the Airfield” will involve 200 reenactors representing US, British, Russian, and German troops using gear authentic to World War II — plus a little Hollywood pyrotechnics for visual effects — as part of the foundation’s mission to keep history alive. The event also will feature daily round-table discussions with veterans who will share their experiences from D-Day, the Battle of the Bulge, Iwo Jima, and Guadalcanal. Full story for BostonGlobe.com subscribers.
Jose Martinex can be reached at email@example.com.