Tiger stripe uniform
upon further research the best repo tiger stripe is from smwholesale, one thing to not however Is there are different types of tiger stripe with varying thickness of lines and base colours . willard has fairly thick lines and a more green base colour so the best option is original Vietnam era tiger stripe.
link to the best repo tiger stripe I can find
SM Wholesale USA — Limited Edition Viet Nam Golden Tiger Camouflage Set
Boots
for boots he uses regular jungle boots , I believe they had different sole pattern for them so I'm not sure of the exact model.
Pistol belt and pistol holder
his belt is a us pistol belt with pistol holder not sure of any models of gear though
T shirt
as for his t shirt I'm not sure if it would be civilian or a us army issued one
Helmet
his helmet Is just a Vietnam era m1 pot helmet with a Mitchell pattern cover and a sewn on captain rank
Watch
then his watch is a seiko 6105 8110 with a waffle strap band ( band can be seen in the arc light scene )
original seiko bands are however almost impossible to find
fairly accurate repo watch bands link ( I believe the seiko 6105 8110 uses a 19mm band )
Uncles notes This waffle reproduction is true to the original and hundreds of dollars cheaper--if you are even able to find one. It is made with high quality materials that are nearly indistinguishable from the first ones made in the late-60's and early-70's. This waffle is a must have for...
unclestraps.com
other parts of his uniform I haven't found much on yet such as patches , webbing and maybe some other stuff I'm missing. I'll update as I find more info