Home CMMG One of these is not like the other. Let's talk 9mm ARs.

One of these is not like the other. Let's talk 9mm ARs.

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We frequently get asked what the difference is between our various 9mms. Here, Mike breaks them down simply for you.

Mk9 – Colt Mag and Traditional (Straight) Blowback
MkGs – Glock Mag and Radial Delayed Blowback (RDB) upper
Mk4 RDB – Standard AR lower with Conversion Mags and RDB upper
Mk17 – Sig Sauer P320 Mag and RDB upper

Each of these are available in BANSHEE and Resolute.

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43 COMMENTS

  1. IĀ“m sold on the concept. Monday IĀ“m changing my licens application (IĀ“m in Sweden so itĀ“s a bit complicated) to a CMMG pcc. One store i Sweden has it in stock right now so that one is mine. Only thing I want to upgrade to is a flat face singel stage drop in trigger. Any recommendations?

  2. Question. The ATF is starting complain about the brace. If the brace is removed will that cure the problem? Or will cmmg need to modify the end so no brace can be put on? And allow the user a choice.

    I ask because I order a banshee 300 on Dec 1 2020.

  3. If I can one day afford one of this beautiful pistols it would be a dream come true. I actually bought a trigger from CMMG for my cheap build . I also put the CMMG sticker on my truck it matches my black truck .

  4. I went with Foxtrot Mike bc itā€™s $650 lol would have liked to get something that isnā€™t blowback but this got me shooting and it has LRBHO that works

  5. Add another vote, request for a 45 ACP (45ARC) conversion for the MK4 lower (or heck any mil-spec lower). Lots of us would love this same system we use for 9mm (9ARC) for 45 ACP. Thinking it should/could just be a different spring/follower setup for the PMAGs and then throw a CMMG 45 ACP upper on.

  6. Your Radial Delayed System should really get an award from the industry as a major engineering achievement. It is a classic example of great design and execution. I've been in the business for over 45 years and did warranty work for two major firearm companies. I'm sure one of them would only wish their 9mm carbines worked as well.

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