Aero Precision Enhanced Receiver Extension Buffer Tube AR-15, LR-308 Carbine Aluminum BlackAeroPrecisionPrice from $43.99 to $48.99.
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AeroPrecision
Building an AR-15 pistol means choosing quality components that work together reliably, and the Aero Precision Enhanced Aluminum Matte Receiver Extension Buffer Tube for AR-15 Pistol is engineered to do exactly that. This tube is the foundation of your pistol's recoil management system, and Aero Precision's design solves a real compatibility headache: the slotted threads allow you to use standard AR-15 endplates and castle nuts without modification or special tools. If you're piecing together a pistol build and want parts that just work together, this is a smart choice.
Machined from 7075 aluminum and finished in a clean matte surface, the tube handles the demands of practice, competition, and defensive use. Aero Precision's reputation for dimensional consistency means this will fit your lower receiver as it should, with no surprises during assembly. The engineering detail—that slot in the threads—sounds like a small thing, but it eliminates a common frustration for builders who don't want proprietary hardware or custom fitment.
The tube itself is a no-frills component: you supply the buffer and recoil spring that match your barrel length and shooting purpose. That flexibility lets you tune your pistol's performance and cost to exactly what you need. Whether you're running a short 7.5-inch upper or something longer, your choice of buffer weight is what dials in the recoil and reliability. Aero Precision handles the foundational engineering; you handle the tuning.
| Material | 7075 Aluminum |
| Finish | Matte |
| Compatibility | AR-15 and M5 (.308) Lower Receivers |
| What's Included | Tube only (buffer, spring, and endplate not included) |
Yes. The Aero Precision Enhanced Aluminum Matte Receiver Extension Buffer Tube is designed to fit standard AR-15 lower receivers. It also fits M5 (.308 Winchester) lowers if you're building in that caliber.
Yes. The slotted threads are specifically designed to work with standard AR-15 endplates and castle nuts. You won't need proprietary hardware.
The tube itself only. You'll need to source a buffer, recoil spring, endplate, and castle nut separately to complete the assembly.
That depends on your barrel length and shooting use. Aero Precision doesn't specify which buffer weight pairs with this tube, so consult your upper receiver manufacturer or a trusted builder's guide to match the right components for your configuration.
AeroPrecision
Building an AR-15 pistol means choosing quality components that work together reliably, and the Aero Precision Enhanced Aluminum Matte Receiver Extension Buffer Tube for AR-15 Pistol is engineered to do exactly that. This tube is the foundation of your pistol's recoil management system, and Aero Precision's design solves a real compatibility headache: the slotted threads allow you to use standard AR-15 endplates and castle nuts without modification or special tools. If you're piecing together a pistol build and want parts that just work together, this is a smart choice.
Machined from 7075 aluminum and finished in a clean matte surface, the tube handles the demands of practice, competition, and defensive use. Aero Precision's reputation for dimensional consistency means this will fit your lower receiver as it should, with no surprises during assembly. The engineering detail—that slot in the threads—sounds like a small thing, but it eliminates a common frustration for builders who don't want proprietary hardware or custom fitment.
The tube itself is a no-frills component: you supply the buffer and recoil spring that match your barrel length and shooting purpose. That flexibility lets you tune your pistol's performance and cost to exactly what you need. Whether you're running a short 7.5-inch upper or something longer, your choice of buffer weight is what dials in the recoil and reliability. Aero Precision handles the foundational engineering; you handle the tuning.
| Material | 7075 Aluminum |
| Finish | Matte |
| Compatibility | AR-15 and M5 (.308) Lower Receivers |
| What's Included | Tube only (buffer, spring, and endplate not included) |
Yes. The Aero Precision Enhanced Aluminum Matte Receiver Extension Buffer Tube is designed to fit standard AR-15 lower receivers. It also fits M5 (.308 Winchester) lowers if you're building in that caliber.
Yes. The slotted threads are specifically designed to work with standard AR-15 endplates and castle nuts. You won't need proprietary hardware.
The tube itself only. You'll need to source a buffer, recoil spring, endplate, and castle nut separately to complete the assembly.
That depends on your barrel length and shooting use. Aero Precision doesn't specify which buffer weight pairs with this tube, so consult your upper receiver manufacturer or a trusted builder's guide to match the right components for your configuration.
