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If you're building an AR pistol from the ground up, a quality buffer tube assembly is one of those parts that makes a real difference in how your gun functions. This package gives you everything you need in one box: a mil-spec pistol-length buffer tube, spring, recoil buffer, castle nut, end plate, and a padded foam cap. The tube itself is made from military-grade Type III hard anodized 6061-T6 aluminum, which means it's built to last through years of shooting without worrying about corrosion or damage.
The mil-spec diameter threading ensures this tube will fit properly into standard AR-15 pistol receivers without any fiddling around. It's designed specifically for mil-spec braces, including popular options from Sig Sauer and SB Tactical. The Vynafoam padded cap on the end provides comfort when shouldering your pistol or using a brace, which matters when you're putting rounds downrange. All the hardware inside the package is military-grade E-coated steel, so you get reliable function from day one.
This assembly is ideal whether you're finishing a pistol lower receiver kit or upgrading an existing build. The complete package means you won't be hunting around for matching components or dealing with compatibility headaches. It's manufactured right here in the USA and backs that quality with a limited lifetime warranty.
This assembly is designed for standard AR-15 pistol receivers that use mil-spec diameter threads. It will not work with AR-10 or .308 rifles, which use larger diameter specifications. Before purchasing, confirm your lower receiver is mil-spec and designed for pistol configuration.
This mil-spec tube is compatible with most pistol stabilizing braces designed for mil-spec diameter tubes, including popular models from Sig Sauer and SB Tactical. The mil-spec diameter and threading ensure a proper fit with any brace spec'd for mil-spec tubes. If you have a specific brace in mind, verify it's mil-spec compatible before ordering.
Installation requires an armorer's wrench to tighten the castle nut properly. Once seated in your receiver, the rest of the assembly—tube, spring, buffer, and cap—works together as a complete system. If you're new to AR builds, consider having someone with experience help with the castle nut installation to ensure proper tightness and function.
Pistol buffer tubes are shorter than carbine tubes and designed specifically for AR pistol configurations. This pistol-length assembly works with the shorter spring and buffer combinations needed for compact builds. Carbine tubes are longer and use different springs and buffers, so they're not interchangeable.
| UPC | 758152480927 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | A.5.10.2518 |
| Color | PISTOL BUFFER TUBE ASSEMBLY |
| Length | 14 |
| Style | Assembly |
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