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Geissele has spent years earning its reputation on triggers, and that same attention to detail shows up in this buffer tube. Cut from a single billet of 7075-T6 aluminum and wearing a Type 3 hardcoat anodized finish in Desert Dirt Color, it holds true to mil-spec dimensions with a straight-back profile and six adjustable stock positions. That 7075-T6 alloy is the same higher-grade aluminum used on the receiver end of military tubes, offering noticeably more tensile strength than the 6061 you'll find on budget commercial extensions.
This is a carbine-length, mil-spec diameter receiver extension, which means it drops right onto a standard AR-15 lower and pairs with the vast majority of mil-spec stocks on the market. The tube houses your buffer and recoil spring while serving as the mounting point for your buttstock, so getting a straight, well-machined tube matters for smooth bolt travel and a rock-solid stock fit. Just keep in mind the mil-spec diameter runs about two-hundredths of an inch smaller than commercial, so match it with a mil-spec stock rather than a commercial one.
The Desert Dirt Color anodizing is more than just good looks, though it does pair nicely with FDE and tan-themed builds. The Type 3 hardcoat process bakes real wear and corrosion resistance into the surface, which holds up well on hard-use rifles and range guns that see plenty of rounds. It's a clean, understated tan that blends into a build without shouting for attention.
Weighing in at a trim 3.7 ounces and made in the USA, this tube ships as a complete assembly. You get a mil-spec castle nut and end plate right in the box, so once you've got your buffer and spring sorted you're ready to torque it down and go. For anyone building out a mil-spec platform or refreshing a tired lower, this is the kind of no-drama part that just works.
Yes. This tube ships as an assembly with a mil-spec castle nut and end plate included in the box. You'll still need to supply your own buffer and recoil spring, which are not part of the package.
It's a carbine-length, mil-spec diameter receiver extension, so it threads onto a standard AR-15 lower and works with the wide range of mil-spec stocks out there. The mil-spec diameter runs slightly smaller than commercial, so pair it with a mil-spec stock for a tight, secure fit rather than a commercial one.
7075-T6 offers roughly one and a half to two times the tensile strength of the 6061 alloy used on many budget commercial tubes. That extra durability makes it a solid pick for hard-use rifles and builds where you want a part you don't have to think about.
DDC stands for Desert Dirt Color, Geissele's signature tan tone applied through a Type 3 hardcoat anodizing process. Beyond matching FDE and tan builds, that finish adds real wear and corrosion resistance to hold up over years of range time.
| UPC | 817953023259 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 08-162S |
| Style | Mil-Spec |
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