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If TFB’s Photo Of The Day came with sound you couldn’t hear this post. The subject today is suppressed M27 Infantry Automatic Rifles. Above you see U.S. Marine Corps Cpl. Antonio Keifner, a rifleman with Bravo Company, 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, as he fires a suppressed M27 Infantry Automatic Rifle during a range acoustic test at Pu’uloa Range Training Facility, Marine Corps Base Hawaii. The MCBH’s Safety Department and PRTF personnel were there to conduct an acoustic test, to record and determine the effectiveness of suppressed weapons at reducing noise pollution exiting PRTF.
A U.S. Marine fires a suppressed M27 Infantry Automatic Rifle (U.S. Marine Corps photo by Lance Cpl. Hunter J. Jones)
Marine Corps Base Hawaii Safety Department personnel and Chief Warrant Officer 2 Christopher Simser Jr., MCBH Gunner, examine sound-level data.
U.S. Marine Corps Base Hawaii Safety Department personnel assemble a sound meter to record decibel-level data.
U.S. Marine Corps Base Hawaii Safety Department personnel assemble a sound meter.
Marine Corps Base Hawaii Safety Department personnel discuss sound-level data.
Marine Corps Base Hawaii Safety Department personnel monitor a sound meter collecting decibel-level data.
U.S. Marines fire suppressed M27 Infantry Automatic Rifles.
A sound meter detects and captures decibel-level data from an unsuppressed rifle.
(U.S. Marine Corps photo by Lance Cpl. Hunter J. Jones)
A U.S. Marine fires a suppressed M27 Infantry Automatic Rifle.
U.S. Marine Corps Cpl. Antonio Keifner, a rifleman with Bravo Company, 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, fires a suppressed M27 Infantry Automatic Rifle.
Source: U.S. Marine Corps, photo by Lance Cpl. Hunter J. Jones.