Description
The Maxim Defense CQB Gen 7 Stock is one of the slickest ways to trim length off an AR-15 without giving up a usable cheek weld or a proper carbine feel. Collapsed, it only adds about 5.35 inches to the back of your rifle, which makes a real difference when you're maneuvering in tight spaces, working out of a vehicle, or just want a build that stores and transports easy. Pull it out and you're at the length of an extended carbine stock, with four locked positions to dial in your length of pull.
What Sets the CQB Gen 7 Apart
The headline feature here is dead-simple deployment. There are no buttons to press or levers to fight. You grab the stock, pull it back, and it locks into position. The housing is machined from 7075 aluminum and wears a Mil-Spec anodized Flat Dark Earth finish, so it holds up to duty use and shrugs off the kind of handling a working rifle sees. Compared to the older generations, the Gen 7 runs a sleeker profile that ditches the side sling swivel points on the housing and comes with an ambidextrous sling mount already installed out of the box.
Fit and Setup on the Maxim CQB Gen 7
This is a complete stock system, not just a shell. It ships with Maxim's proprietary buffer, spring, and buffer tube, so you're swapping the whole assembly rather than trying to make it play with standard carbine parts. Installation is straightforward for anyone who has changed a stock before: pull your old stock, spring, and buffer, thread on the new tube, drop in the spring system, and slide the stock on. The buffer tube even has a square cutout for a torque wrench. It fits standard AR-15 lowers and works with a standard Mil-Spec bolt carrier group, and Maxim offers a range of buffer weights if you want to fine-tune how your gun cycles down the road.
Between the compact collapsed length, the extended cheek piece for a comfortable weld, and that grab-and-pull action, this is a stock built for people who want their carbine short, fast to run, and ready for close quarters.
Key Specifications
- Manufacturer: Maxim Defense Industries
- Manufacturer Part Number: MXM47503
- UPC: 680017475031
- Product Type: Stock
- Model: CQB Gen 7
- Platform Fit: AR-15 (Mil-Spec lowers)
- Positions: 4-position adjustable
- Housing Material: 7075 Aluminum Alloy
- Finish: Mil-Spec Anodized, Flat Dark Earth
- Collapsed Added Length: Approx. 5.35 in
- Full Extension: Extended carbine length (approx. 10 in)
- Sling Mount: Ambidextrous, pre-installed
- Deployment: Pull-to-deploy, no buttons
- BCG Compatibility: Standard Mil-Spec BCG
- Country of Origin: USA
What’s Included
- Maxim Defense CQB Gen 7 stock housing (FDE)
- Proprietary buffer
- Buffer spring
- Buffer tube
- Pre-installed ambidextrous sling mount end plate
- Installation guide
Frequently Asked Questions
Does the Maxim Defense CQB Gen 7 Stock come with a buffer and tube?
Yes. This is a complete system that ships with Maxim's proprietary buffer, buffer spring, and buffer tube. Because it uses non-standard parts, you swap the entire assembly instead of reusing standard carbine components. Maxim also offers several buffer weights if you want to tune how your rifle cycles later on.
How short does the CQB Gen 7 make my AR-15?
Collapsed, the stock only adds about 5.35 inches to the rear of your rifle, which is significantly shorter than a typical carbine stock. Pull it out and it extends to roughly 10 inches, the length of an extended carbine stock. You get four locked positions in between to set your length of pull.
Will the Maxim CQB Gen 7 fit any AR-15 lower?
It fits standard Mil-Spec AR-15 lowers and runs with a standard Mil-Spec bolt carrier group. A few proprietary or non-Mil-Spec lowers may not accept it, so it's worth confirming your receiver is standard spec before installing. If your build uses a common AR-15 lower, you'll be in good shape.
How do you deploy the CQB Gen 7 Stock?
There's nothing to fumble with. You simply grab the stock and pull it rearward, and it locks into the next position. That grab-and-go design is a big reason the CQB line is popular for close-quarters and duty-style setups where speed matters.




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