https://youtu.be/7Q52B8it2Ik "From Hartford to Vietnam" is available here for preorder: Or you can find it bundled with "Tiger Stripe: The Vietnam Camouflage Story" on Kickstarter: https://www.kickstarter.com/projects/headstamp/tiger-stripe?ref=3b3v8y The Model 703 was an experimental project at Colt which they envisioned being adopted as the M16A2 - although that clearly did not happen. It was essentially an adaptation
I have a Colt 7.62x39 upper for my 6731. They are well known for feeding issues though.
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