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The Phase 5 Tactical pistol buffer tube gives your AR pistol a rock-solid platform that works as hard as you do. Built from 7075 T651 certified billet aluminum, this tube combines lightweight construction with the kind of strength you need when you're running your pistol through its paces. The hard-anodized Mil-Spec type III black finish protects against wear and corrosion while keeping that clean tactical look.
Not all buffer tubes are created equal, and Phase 5 made sure this one fits the job. The tube is specifically designed to work with Mil-Spec carbine buffers and springs, giving you proven, compatible internals. The machined lower slot accepts all standard Mil-Spec end plates and sling mounting accessories, meaning you've got maximum flexibility when it comes to building out your setup. It pairs up nicely with stabilizing braces too—the fit is snug enough that there's no unwanted movement during operation, whether you're at the range or doing other duties.
Instead of cutting corners, Phase 5 included all the pieces you need: a nitrile foam pad that resists extreme temperatures and chemicals, a Mil-Spec end plate, and a castle nut that holds everything secure. The overall diameter is 1.25 inches and the 7.4-inch length puts this tube right in the sweet spot for pistol platforms. Folks running short-barrel builds appreciate how the tube works with different accessories without requiring any workarounds. The foam padding does double duty by providing cushioning for your cheek weld while also protecting the tube if your pistol takes a bump.
Builders consistently report that this tube installs cleanly, looks sharp on completed builds, and holds up to regular range use. The engineering is tight and the fit is reliable—which matters when you're counting on your parts to function the way you intended.
Yes, it works great with stabilizing braces like the SB Tactical models. The tube provides a snug fit that prevents unwanted brace movement during operation, and it allows you to position the brace anywhere along the tube with zero restrictions. Just remove the foam pad if your specific brace requires it.
Absolutely. The tube is designed for Mil-Spec carbine buffers and springs, so parts like the Geissele Super 42 buffer and spring work perfectly with it. The internal dimensions match standard carbine specs, making it easy to swap components if needed.
The nitrile foam pad does more than look good. It resists extreme temperatures and gun cleaning chemicals, provides a comfortable cheek weld when you're shooting, and absorbs impacts if your pistol gets bumped. Many builders keep it on for these practical benefits.
This pistol-specific tube is shorter and designed for AR pistol platforms where you'd use a brace instead of a stock. The machined lower slot accepts all Mil-Spec end plates and sling accessories, giving you compatibility across the board. It's built from quality 7075 T651 aluminum that resists wear and corrosion.
| UPC | 813318020406 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PBT |
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