JOHN M.
Website was simple
Website was simple, easy to navigate, and the prices were good. I was able to buy multiple parts that I needed and save on shipping.

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.
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JOHN M.
Website was simple, easy to navigate, and the prices were good. I was able to buy multiple parts that I needed and save on shipping.
John in F.
All good, but the website was glitchy. Love the products.
Bradley S.
Product was great, shipping was quick, and I enjoy supporting Missouri businesses. Only knock down from 5 stars was the Rocksett was bad (hardened, not liquid).
Tommy R.
Was easy to order. Delivery was sooner than expected. However it did not fit my m5 lower n upper. The "wings"were too wide for the receiver. They were not angled as far out as the OE. I fitted it using a dremel n it feels n runs great now. The metal is extremely hard n resists wear. It seems much stronger n better quality than original. If you have a m5 lower n the thick upper, this will require significant fitting to be shaped like the one on an m16a2.
Brian R.
Need more updates on arriving products
Response from CMMGSep 18, 2026
Hi Brian, thanks for the feedback. Your order shipped on 9/11, just a day after being placed on 9/10 — well ahead of the 15–30 business day lead time listed on the product page — and USPS delivered it on 9/16. We appreciate you letting us know shipping updates would help, and we'll pass that along as we look at ways to keep customers better informed along the way.
LAURA C.
You guys had everything I could ask for and the description was wonderful, the only thing I did not care for was there was no eta for shipping time.,And arrival to my home
Trevor K.
Easy to find what I need. It wasn’t over complicated
Tomas S.
Products are great. Own and use lots of cmmg products. Website today on September 04, 2026 was total shite. Kept on emptying my cart and took 4 attempts to make purchase. Very annoying but I needed the parts and cmmg make great quality products so I was able to deal with the issue. That is the only reason for 4star rating.