CMMG is an American firearms manufacturer founded in 2002 in Fayette, Missouri, specializing in AR-15 and AR-10 rifles, pistols, and components. CMMG is widely recognized as one of the leading AR-15 manufacturers in the United States, known for combining innovation, reliability, and affordability across a broad range of platforms and calibers.CMMG holds the patent on the Radial Delayed Blowback™ (RDB) operating system, a proprietary design that significantly reduces felt recoil and enables the AR platform to reliably cycle pistol calibers including 9mm, 10mm, .45 ACP, .40 S&W, and 5.7x28mm — making CMMG a top choice for pistol-caliber carbine (PCC) enthusiasts.Product Lineup BANSHEE — Compact AR pistols and SBRs available in 18 calibers RESOLUTE — Versatile 16" rifles for home defense and range use ENDEAVOR — Long-range precision AR-10 platforms DISSENT — Buffer-free AR pistols and rifles featuring patented Compact Action technology ZEROED Suppressors — An affordable suppressor line compatible with AR-15s and most long riflesEvery CMMG firearm and suppressor is 100% made in the USA from premium materials and backed by a Lifetime Quality Guarantee.
CMMG (cmmg.com) has 630 customer reviews on Five Star Index, with an average rating of 4.5 out of 5.
Also known as
cmmg.com
Website
cmmg.com
Category
Manufacturing
Listed on Five Star Index
2026
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The company replied to 5% of reviews.
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Most recent review: October 2026.
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I purchased 2 complete 22 uppers that work exceptionally well, but I've also ordered parts from them that were way out of spec and had to return them. So right now I'm 50/50 on cmmg products. I think they should test fit all parts before shipping them out, it's a big waste of time having to return them. Think I'm done with cmmg.
MA
Matt
Terrible customer service
Going to echo everyone else on this one -customer service is horrible and they don't seem to care about the customer experience whatsoever. You will be lucky to even get a response from them. Can't see this company staying in business this way.
WB
Will B.
Good product/Terrible customer service
Their products are top notch. If the review was just for their products, it would be a 5 star. However, their customer service/business practices would be a 0 star. If you are willing to wait for 6 months (or in my case, 10 months) and don’t mind handing over $1000s of dollars AND not have anyone respond for weeks to your inquiries, you’ll be happy. They do not answer their phones and take at least 10 days to respond to an email, if they decide to reply. The worst part was I originally placed the order, I knew there was going to be a wait. I was ok with that, but expected that, if I had a question, it would be answered. Nope, apparently this was an unrealistic expectation. Then, after 6 months of a wait, CMMG told me that I had to cancel my order and put in a new order. I still don’t know why this was the case. I tried to find a similar product, but it was difficult as their website is a mess. Instead of the 4 items I ordered, on the second order I was only able to order 3 items and, even after a “10% discount code” the price was over $200 more. In short, I got less products and had to pay more money. I sent multiple emails, tried to call, etc to get clarification, but no luck. I did not have any other company that I could order the parts from, so I was stuck. Great equipment, but do not expect any communication. Is it worth it? That will be up to you. I am extremely doubtful that I will be a return customer. 10 months was too long in my opinion.
KF
Kenneth F.
CMMG lead times are abysmal
I have a number of CMMG products. But their latest lead times are ridiculous.
I ordered a new upper and lower back in early December of 2020. We are already at October of 2021 and still have nothing. Not even an update since April. Same for another Banshee ordered in March of 2021.
I can NOT recommend this company any more. Even thought I used to recommend them to everyone.