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If you're building or upgrading an AR-15, the Geissele Premium Mil-Spec Buffer Tube Assembly pairs everything you need in one complete package. It's built around their proven combination of a premium aluminum tube, the Super 42 braided spring, and an H2 buffer weight. The result is a system that handles recoil better, eliminates that annoying spring twang, and simply runs smoother than standard mil-spec setups.
Geissele machines this tube from 7075-T6 aluminum and finishes it with Type 3 hardcoat anodize. That's a tougher, more durable material than what you'll find in most carbine-length tubes. It comes with the castle nut and end plate already included, and it features six stock positions for proper length adjustment. At 3.7 ounces and made in the USA, this is a solid foundation for any build.
The real innovation here is Geissele's braided-wire spring design, which uses three independent strands instead of the single coil found in standard springs. This three-strand concept actually comes from the German MG42 machine gun. When the spring compresses and extends, each strand flexes separately, allowing the whole system to absorb energy more effectively and reduce harmonic vibration. That means less recoil felt at your shoulder and no more that hollow "twang" sound echoing through the stock. The Super 42 spring also maintains its strength longer than conventional springs and has about 15% more return force, which helps strip rounds reliably from the magazine even with dirty weapons or steel-case ammo.
The H2 heavy buffer that comes with this kit consists of one steel core with two tungsten weights, giving you better recoil management than standard carbine buffers. It's designed specifically for carbine-length gas systems and performs well in short to mid-length barrel setups, especially if you're running a suppressor. The H2 hits the right balance for most AR-15 builds without over-dampening the gun's natural cycling.
This assembly uses Geissele's premium 7075-T6 aluminum tube instead of cheaper 6061-T6, plus you get the braided Super 42 spring which uses three independent strands for better energy absorption and no spring twang. The H2 buffer is also a heavy option that provides more recoil control than standard carbine buffers. It's a complete solution designed to work as a system.
Yes, but make sure your stock is mil-spec diameter. This tube has the standard mil-spec outside diameter of 1.148 inches, so it won't work with commercial-spec stocks. The six-position design means it fits most adjustable mil-spec stocks on the market, but verify your specific stock is mil-spec compatible before ordering.
The H2 works well for most standard AR-15 builds, especially carbine-length setups with mid-length or carbine gas tubes. If you're running a short-barreled rifle or plan to use a suppressor, the H2 provides good recoil control. If you have a longer barrel and lighter recoil, you might prefer the H1, or if you need maximum dampening, the H3 is available separately.
Mostly. You get everything except the actual stock. Just slip this onto your lower receiver with the spring and buffer already assembled, thread on the castle nut, lock it down with the end plate, and you're set. It installs like any standard mil-spec buffer tube assembly.
| UPC | 817953026984 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 08-163B-H2 |
| Style | Mil-Spec |
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