[ARCHIVED THREAD] - CMMG Mk 3 Lower Question

Posted: 9/10/2016 11:16:33 PM EDT

Just a question about CMMG 308 lowers. I've run into some that are flat-sided, and others (Like mine) that have a ledge where it meets the upper receiver. Does anyone have a good idea of what this is all about? It's going to mate to a Aero Precision M5E1 6.5 Creedmoor upper as of Tuesday. Just kind of unique design feature that I hadn't seen on other lowers.This is the style I picked up (This isn't mine, just a generic pic I found on Yahoo).

http://cdn2.armslist.com/sites/armslist/uploads/posts/2013/01/30/961369_01_cmmg_mk_3_308_7_62x51_complete_640.jpg

Posted: 9/11/2016 1:11:07 AM EDT

[#1]

mine is flat sided and matches perfectly with the side of the CMMG upper. I've never seen one like that, when was it made/bought? I assume it is an older model.

Posted: 9/11/2016 1:41:44 AM EDT

[#2]

Bought it last Monday from the gun shop. No idea how to figure out manufacture date, but SN runs D-002xx.

Posted: 9/11/2016 2:05:47 PM EDT

[#3]

That's strange, they must have switched vendors at some point. I can't imagine they are selling two versions concurrently.

[ARCHIVED THREAD] - CMMG Mk 3 Lower Question

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[ARCHIVED THREAD] - CMMG Mk 3 Lower Question

[ARCHIVED THREAD] - CMMG Mk 3 Lower Question