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AR15.COM
2/21/2025 1:17:11 AM EDT
[Last Edit: Bishop3][Edited]
Fellow Colt enthusiasts, has AU or anyone else have available an M5 lower 'receiver only' for sale?
Has Colt let any leave the factory as lower only?

I may need an M5 lower. Thanks.
USMC 85-'93 Amphibious YAT-YAS
2/21/2025 6:22:07 AM EDT
[#1]
AU had them last June.

https://armsunlimited.com/colt-m5-carbine-556-semi-auto-lower-receiver-full-ambi/?srsltid=AfmBOooYfq0iVbEX6wojlbj2iLec2nLLhEJLwCR-HKJ2nRV_5D6t1jvX
Can't never could 'til try came along.

"All welchers should be removed from the EE".-Aimless

R.I.P. to the EE
2/21/2025 6:24:48 AM EDT
[#2]
Quote History


Good, just signed up for restock notification. THANKS.
USMC 85-'93 Amphibious YAT-YAS
2/21/2025 7:46:08 AM EDT
[#3]
Quote History
Originally Posted By Bishop3:


Good, just signed up for restock notification. THANKS.
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Originally Posted By Bishop3:


Good, just signed up for restock notification. THANKS.

Can't never could 'til try came along.

"All welchers should be removed from the EE".-Aimless

R.I.P. to the EE
2/21/2025 6:25:54 PM EDT
[#4]
Originally Posted By Bishop3:
Has Colt let any leave the factory as lower only?
View Quote


My guess is what AU had for sale was a lower that was separated from a factory rifle it this matters to you.
2/21/2025 7:26:02 PM EDT
[#5]
Quote History
Originally Posted By oxford411:


My guess is what AU had for sale was a lower that was separated from a factory rifle it this matters to you.
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Originally Posted By oxford411:
Originally Posted By Bishop3:
Has Colt let any leave the factory as lower only?


My guess is what AU had for sale was a lower that was separated from a factory rifle it this matters to you.

I would agree.
Can't never could 'til try came along.

"All welchers should be removed from the EE".-Aimless

R.I.P. to the EE
2/21/2025 7:29:18 PM EDT
[#6]
It does matter. I'd prefer a 'receiver only' not a rifle lower. This gives me flexibility on how I could use it.

USMC 85-'93 Amphibious YAT-YAS
2/21/2025 7:50:20 PM EDT
[#7]
Quote History
Originally Posted By Bishop3:
It does matter. I'd prefer a 'receiver only' not a rifle lower. This gives me flexibility on how I could use it.

View Quote


I figured it did, that’s why I put it out there.
2/22/2025 5:39:10 PM EDT
[#8]
So, recently I've found FFL dealers on GunBroker who play dumb and or outright lie about complete Colt lower receivers. One claimed he was buying his from a large distributor and had nothing to do with removing an upper from a rifle and selling the lower. I didn't believe him.

The only Colt lowers receiver (receiver only) I believe that are currently out there are the AU M4 Commando lowers? There were the Brownells Colt complete lowers before that. Possibly some others that AU came up with?


USMC 85-'93 Amphibious YAT-YAS
2/22/2025 10:08:19 PM EDT
[#9]
Quote History
Originally Posted By Bishop3:
Possibly some others that AU came up with?


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AU definitely had some others years ago when Colt must have been doing some house cleaning.  There was the original “commando” lowers, 6720 lightweight, ar15a2 carbine, and 9mm for sure.  There may have been some others.
2/22/2025 10:13:59 PM EDT
[#10]
Quote History
Originally Posted By Bishop3:
So, recently I've found FFL dealers on GunBroker who play dumb and or outright lie about complete Colt lower receivers. One claimed he was buying his from a large distributor and had nothing to do with removing an upper from a rifle and selling the lower. I didn't believe him.

The only Colt lowers receiver (receiver only) I believe that are currently out there are the AU M4 Commando lowers? There were the Brownells Colt complete lowers before that. Possibly some others that AU came up with?


View Quote

https://armsunlimited.com/colt-carbine-556-semi-auto-lower-receiver-assembly/?srsltid=AfmBOoo-h0mmRMyJFJJMu4XzvO14I8hfvokp9BqRAa-0iuaFQersmluO
Can't never could 'til try came along.

"All welchers should be removed from the EE".-Aimless

R.I.P. to the EE
2/23/2025 8:02:44 AM EDT
[Last Edit: Bishop3][Edited] [#11]
Quote History


Roger that! I should have been more specific about the particular lower the FFL dealer was claiming was receiver only. How about an M5? I would buy one if they were legitimately available.

Eta:
I'm going to call Colt to confirm, its the only way to be sure. Just because you might purchase a lower 'receiver only' and your FFL transfers this to you as a 'receiver only' does not mean that is what it is. It is my understanding, in application it does matter what the factory origin is, (what it logged-out when it left the factory to their distributors) what it will be in fact. Until you legally can decide otherwise. If the lower 'receiver only' in question left factory as a rifle, now guess what, you might want to pay the tax and file a form 1 to make an SBR.

I can't imagine how a licensed dealer, that even an class 3 SOT doesn't understand this.

Evidently, some random GB dealer or integrity challenged people will throw you under the bus for a dollar by not mentioning the 'lower receiver only' was a 'rifle' takeoff. Trust but verify.





USMC 85-'93 Amphibious YAT-YAS
2/23/2025 10:57:16 AM EDT
[#12]
Bishop3, It's my opinion that you're way overthinking this.  Do you really think the ATF is going to prosecute you because a distributor broke apart a rifle and then your dealer transferred it to you exactly how the ATF has instructed them to do so?  Do you know of a single case where someone has been prosecuted in this type of scenario?  The ATF regulations are contradictory.  What's on the 4473 isn't.  If it transfers to you as a receiver, you're good.

BTW, if you're going to go through the trouble of calling Colt, get it in writing.  When you're being prosecuted by the feds, witnesses tend to disappear and not remember when it's time to repeat something that said to you.  If it's not in writing, then it didn't happen.
5/15/2025 5:04:30 PM EDT
[Last Edit: the_AR-15_Junkie][Edited] [#13]
Originally Posted By Bishop3:
Fellow Colt enthusiasts, has AU or anyone else have available an M5 lower 'receiver only' for sale?
Has Colt let any leave the factory as lower only?

I may need an M5 lower. Thanks.
View Quote


Looks like AU has 40+ IN Stock

https://armsunlimited.com/colt-m5-carbine-556-semi-auto-lower-receiver-full-ambi/
5/16/2025 8:28:45 AM EDT
[Last Edit: Bishop3][Edited] [#14]
Quote History
Originally Posted By the_AR-15_Junkie:


Looks like AU has 40+ IN Stock

https://armsunlimited.com/colt-m5-carbine-556-semi-auto-lower-receiver-full-ambi/
View Quote


Thanks, I got the in-stock notification. I bought an M4 Commando already but really wanted that M5.
USMC 85-'93 Amphibious YAT-YAS
5/16/2025 10:23:18 PM EDT
[#15]
Just an FYI....Confirmed by a knowledgeable source:

Colt has never sold M5 lowers by themselves. The M5 lowers that AU sells are take-offs. 

The 'Commando' marked lowers and 'SCW' lowers are the only standalone lower receivers sold by Colt since the spare 6920 lowers were released years ago. 



"All welchers should be removed from the EE".-Aimless
5/19/2025 8:03:08 PM EDT
[#16]
Quote History
Originally Posted By TGWLDR:
Just an FYI....Confirmed by a knowledgeable source:

Colt has never sold M5 lowers by themselves. The M5 lowers that AU sells are take-offs. 

The 'Commando' marked lowers and 'SCW' lowers are the only standalone lower receivers sold by Colt since the spare 6920 lowers were released years ago. 



View Quote


Copy that
USMC 85-'93 Amphibious YAT-YAS
5/21/2025 6:44:35 PM EDT
[Last Edit: the_AR-15_Junkie][Edited] [#17]
Got a email from AU today, looks like they are now selling the 16" M5 uppers from the guns they removed these M5 lowers from. They should have noted that. Not for pistols but still nice lowers to put a 6940 or 6960 16" upper on.

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