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5/29/2026 8:44:58 PM EDT
I’m getting close to wrapping up my 727 build (Gordon-esque; have an M4-D waiting for the form 4 to clear) - the barrel donor was a Colt 6921, and it’s on an A2 upper with M4 feedramp cuts (I never said it was going to be a perfect clone )

What I don’t really have a steer on, is slings of that era. The barrel doesn’t have any sling loops on it (being it was originally a 6921 it had the side sling adapter on it, which I took off for another project)…I was about to rivet a sling loop onto the usual spot, but held off for now.

How were 727 slings done, and I guess more specifically, how were slings in general attached around then for the folks who used 723s/727s in the mid-90s? Paracord loops through the front sight block? Did Colt have the barrel mounted side sling adapters back then; were they “correct” for the era?

Worst case I’ll just rivet the front loop on like normal and call it a day, I’m just kind of morbidly curious though
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/29/2026 9:33:17 PM EDT
[#1]
Combine NSN 1005-00-406-1570 and NSN 1005-01-216-4510

5/29/2026 9:42:58 PM EDT
[Last Edit: mlin][Edited] [#2]
You think too much. Just simple Colt black silent nylon sling directly loop to front sight tower and N1 stock. Some use clip from USGI top sling mount kit at the front.



5/29/2026 11:01:08 PM EDT
[Last Edit: CapnMike][Edited] [#3]
A grease gun sling combined with an ALICE pack adjuster strap will make a period correct 2 point adjustable sling.


5/29/2026 11:45:09 PM EDT
[Last Edit: KitBuilder][Edited] [#4]
Quote History
Originally Posted By mlin:
Some use clip from USGI top sling mount kit at the front.
View Quote
That’s what you need to do, if you’re actually going to shoot a lot.
(By “a lot” I actually mean less than the volume of fire it took to motivate development of the M4A1 SOCOM profile barrel). lol

It’ll get hot and melt non-steel stuff.
I’ve seen a guy burn his paracord off just firing a semi-auto.

It’ll scrape the parkerizing off where it’s rubbing the FSB, but your sling will stay attached during/after an intense firing schedule. I see the Sergeant Major is using one in the above Gulf War photo.

Yes, the side sling adapters from Colt have been around since the M203 was introduced in Vietnam (1968). They were part of the standard M203 mounting kit for the M16A1 and M16A2 so anyone in SOCOM would’ve been able to get one, but they didn’t start showing up in most photos until the M4A1 was issued (around 1995).
5/30/2026 8:03:58 AM EDT
[#5]
Quote History
Originally Posted By mlin:
You think too much. Just simple Colt black silent nylon sling directly loop to front sight tower and N1 stock. Some use clip from USGI top sling mount kit at the front.

https://i.imgur.com/uyil41x.png
https://i.imgur.com/UwFRvHu.jpeghttps://i.imgur.com/irIaJY3.pnghttps://i.imgur.com/EPqMlph.jpeg
View Quote


You’re not the first person to say that

I think what I’ll do since this will be more a shooter than conversation piece is just use a blue force gear sling loop on the FSB and call it a day…paracord on the rear stock as well. I totally forgot those existed until about 20 minutes ago
"Oh, bother," said Pooh, as he pulled the pin on another grenade...

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