Stock FAQs

when using then maxim defense cqb stock does it use a casrle nut?

by Mrs. Amina Ruecker II Published 2 years ago Updated 2 years ago

Maxim Defense CQB
The Maxim CQB uses a proprietary buffer tube with an integral castle-nut ratchet. It has three extended positions, and also locks in place when fully collapsed.
Jun 11, 2018

Why Maxim defense CQB stocks?

Rapid deployment, purpose driven materials, and the functionality you need, the Maxim Defense CQB Stock is simply the most thought out, versatile, and durable CQB stock on the market. Extended Cheek Weld, Easily installs on mil-spec AR15 lowers, Interchangeable Buttstock Assemblies

What is the difference between the Maxim defense CQB and PDW brace?

The PDW Brace has all of the same features as the Maxim Defense CQB stock except that it sports a rubberized arm brace in place of their PDW butt piece. Another option is the Pistol EXC, also by Maxim Defense. Instead of a rubber brace or their PDW stock, the Pistol EXC includes just the cheek-piece portion of the stock.

How do I install the Maxim CQB stock?

Installation of the Maxim CQB stock is straight forward. Remove the existing stock, spring and buffer. Place the stock block on the rear of the receiver and screw in the new buffer tube Insert the spring system and insert the stock. Done. Maxim offers two different spring options. The first uses a spring with a separate buffer.

How many uppers does the Maxim CQB have?

I shot the Maxim CQB stock with two different 16″ 5.56mm uppers, one using a carbine and one using a mid-length gas system. It functioned with 100% reliability.

Can you use a PDW stock on a AR pistol?

The PDW stock will likely work with any 9mm AR that does NOT use a proprietary buffer assembly. Not compatible with large frame AR (LR308, AR10, etc.). A non-permanent adhesive may be desired to more securely affix cheek rest.

Whats a PDW stock?

Such was the case with PDW styled stocks. PDW (for personal defense weapon) is usually used to describe either a design type of firearms used when space is at a minimum, or a modification to an existing platform using size reduction parts like a short barrel and micro stock.

What is CQB brace?

The CQB PDW Brace uses the SB Tactical Pistol Stabilizing Brace. All Maxim Defense products are engineered and manufactured for durability. Extensive field testing with experienced operators ensure any weak points are extinguished, and all functionality has a purpose.

Is it legal to own a PDW?

Though PDW is a class of firearms, it's not a legal term in the same way that short barrel rifles are (SBR). For example, a Glock 17 is considered a full size pistol, the Glock 19 is considered a compact sized pistol and the G26 or G43 are both considered as subcompact pistols.

Is an AR-15 a PDW?

ARE AR-15 PDW's LEGAL? An advantage of an AR-15 PDW is that it can be equipped with a barrel shorter than 16" and not be considered an SBR. Within legal limits, you do not have to register a rifle-caliber pistol as you do an SBR.

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