Hey gang, Hopefully a real simple question, and it's exactly as the title states. When were the M-1956 buttpack adapter straps first used/issued in Nam. I couldn't find much out there on either the forum or the "Net" in general, so I figured I'd post the question here and see what the field gear
N.O.S M61 M-1956 CANVAS BUTT PACK W/ PACK ADAPTER STRAP & H-HARNESS
M-1956 Buttpack Adapter Straps - FIELD & PERSONAL GEAR SECTION - U.S. Militaria Forum
USGI VIETNAM ERA Field Pack Adapter Assembly Strap Butt Pack Straps $18.95 - PicClick
U.S. M-1956 Field Combat Butt Pack – International Military Antiques
M1956 Suspenders 2nd pattern
M-1956 Butt pack, Good condition
M1956 Web Gear The Last Patrol
M1956 Combat Field Pack 'Butt Pack
US VIETNAM ERA M1956 CANVAS FIELD BUTT PACK ADAPTER STRAP WEB GEAR
M-56 Suspender Pack Adapter Strap
U.S. M-1956 Field Combat Butt Pack – International Military Antiques
M1956 Web Gear The Last Patrol
M1956 Web Gear The Last Patrol
VIETNAM US Army Field Gear COMBAT M56 M1956 M-1956 BUTT PACK Backpack - AliExpress