Maxim Defense MXM-47565 CQB Gen 2 Buffer & Spring H1 Kit

Upgrade your AR platform with the Maxim Defense MXM-47565 CQB Gen 2 Buffer and Spring H1 Kit — a precision-engineered recoil management solution designed specifically for short-barreled and close-quarters battle configurations. Built to Maxim Defense’s exacting standards, this Gen 2 buffer and spring system delivers reliable cycling, reduced felt recoil, and consistent performance in compact rifle builds where standard components often fall short.

The H1 weight designation provides a balanced combination of bolt carrier velocity control and reliable feeding — an ideal choice for shooters running pistol-length or carbine-length gas systems on SBRs, AR pistols, and other CQB-oriented builds. Whether you’re dialing in a dedicated defensive firearm, a competition setup, or a range-ready short-barrel configuration, this kit delivers the quality and dependability you expect from one of the industry’s most respected names in compact firearm components.

At Deep Roots Rifle Co, we keep hard-to-find components like the Maxim Defense CQB Gen 2 Buffer and Spring H1 Kit in stock so your build never has to wait. Order online for fast nationwide shipping, or visit our gun store in Eustis, Florida, where our knowledgeable staff can help you find exactly what your build needs.